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Paper title:N–doped carbon anchored CoS₂/MoS₂ nanosheets as efficient electrocatalysts for overall water splitting(nitrogen doped CoS₂/MoS₂Nanoplates as efficient electrocatalysts for total water cracking)

Journals:Frontiers of Optoelectronics

Authors: xing Wei Zhou, Wei Zhang, Zun Hao Zhang, Zizhun Wang, Xu Zou, Dabing Li, Wei Tao Zheng.

Publication date: 15 Sep 2022

DOI：10.1007/s12200-022-00034-3

Wechat link:Click here to read the WeChat article.

First author: Zhou Xingwei

Correspondents: Zhang Wei, Zou Xu

Communication unit: Jilin University

Research background

Hydrogen energy is a clean, carbon-free, flexible and efficient secondary energy with various forms of utilization. Vigorously developing the hydrogen energy industry and accelerating the clean transformation of energy structure are the ideal ways to achieve the "double carbon goal". Using renewable energy power supply system coupled with electrolytic water technology to produce decarbonized "green hydrogen" is the strategic direction of hydrogen energy industry development in the future. Electrolytic water reaction is a high energy consumption process, which is not easy to occur in thermodynamics and kinetics. The key to improve the overall efficiency of electrolytic water reaction lies in the research and development of efficient catalytic materials.

Introduction to the article

In recent years, a large number of catalytic materials without noble metals have been widely studied, but these materials only show good electrocatalytic activity in hydrogen evolution reaction (HER) or oxygen evolution reaction (OER), and there are few studies on bifunctional electrocatalysts that are effective for both HER and OER.

Recently, Zhou Xingwei, a research team of Professor Zheng Weitao of Jilin University, and others prepared a nitrogen-doped CoS on carbon fiber cloth (CC) by hydrothermal-annealing-hydrothermal method.₂And MoS₂Nanoplate-coupled bifunctional electrocatalyst (MOS/COS/CC), the prepared MOS/COS/CC catalyst has rich active sites and stable structure, and shows excellent HER and OER performance in alkaline electrolyte. Related work toN–doped carbon anchored CoS₂/MoS₂ nanosheets as efficient electrocatalysts for overall water splitting The title was published on July 18, 2022.Frontiers of Optoelectronics In the journal.

Graphic reading guide

Innovation 1: Simple hydrothermal-annealing-hydrothermal method to prepare different MoS.₂Content of MOS/COS/CC catalyst

Growth of nitrogen-doped CoS on carbon fiber cloth by hydrothermal-annealing-hydrothermal method.₂/MoS₂The schematic diagram of the synthesis process of nanosheet catalytic materials is shown in Figure 1, and the scanning electron microscope (SEM) photos of MOS/COS/CC at different synthesis times are shown in Figure 2. By controlling the hydrothermal reaction time in the second step, MoS with different scales can be obtained.₂With CoS₂Composite catalytic materials. MoS₂Growth time significantly affects the surface area of the catalyst (Figure 2). With the increase of hydrothermal time, MoS deposited on the substrate₂The number of nanosheets increased gradually, and cracks appeared on the catalyst surface when the deposition time was too long.

Fig. 1 synthesis diagram of mos/cos/cc

Fig. 2 SEM photos of MOS/COS/CC at different synthesis times: (a,e)2h,(b,f)4h,(c,g)6h,(d,h)8h.

X-ray diffraction (XRD) pattern of MoS/COS/CC proves MOS.₂With CoS₂Generation of, in which MoS₂It is a hexagonal 2H phase (Figure 3). The 0.65 nm crystal plane spacing corresponds to hexagonal MoS in high resolution transmission electron microscope (HRTEM) photos.₂ (002) crystal plane, 0.245 nm corresponds to CoS.₂ (210) crystal plane, which confirmed the CoS.₂/MoS₂The existence of heterostructure. TEM-EDX photos show that Mo, S, Co and N are uniformly distributed in MOS/COS/CC (Figure 4).

Fig. 3 XRD spectrum of mos/cos/cc

Figs. 4 (a) and 4 (b) are TEM photos and HRTEM photos of MOS/COS/CC, and (c) and (d) are elemental distribution maps of MOS/COS/CC.

Innovation 2: MOS/COS/CC catalyst shows excellent HER and OER performance.

The comparison of HER and OER performance of MOS/COS/CC catalyst with commercial catalyst is shown in fig. 5. We compared different MoS in 1.0 mol/L KOH solution.₂Growth time of MOS/COS/CC catalyst and commercial RuO₂OER performance of catalyst. The linear voltammetric scanning curve (LSV) shows that MOS/COS/CC-6H shows the lowest overpotential (197 mV), which is lower than that of commercial RuO.₂Catalyst. In addition, the MOS/COS/CC-6H catalyst has the lowest Tafel slope (64 mV dec-1), which indicates that the material has fast reaction kinetics, which is beneficial to the catalytic reaction. In addition, we compared different MoS in 1.0 mol/L KOH.₂HER performance of MOS/COS/CC catalyst with growth time and commercial Pt/C catalyst. It is not difficult to find that MOS/COS/CC-6H also shows excellent HER performance. MOS/COS/CC-6H also has advantages over commercial RuO.₂The stability of. The excellent catalytic activity and stability of MoS/COS/CC-6H benefit from MOS.₂With CoS₂The multi-stage structure of the material exposes more catalytic active sites, and the three-dimensional self-supporting structure grown in situ on CC shows excellent structural stability.

Fig. 5 different MoS₂Growth time of MOS/COS/CC catalyst and commercial RuO₂And the results of OER and HER performance tests of Pt/C catalyst: (a) linear voltammogram of oer test, (b) Tafel curve of oer test, (c) linear voltammogram of her, (d) Tafel curve of her test and (e) stability test results.

Summary and outlook

We developed a simple and effective method to construct heterostructure, and the prepared MOS/COS/CC catalyst showed excellent OER and HER activity in alkaline solution. Its excellent performance is attributed to rich active sites and stable morphology and structure. The synthesis method proposed by us provides an effective strategy for developing multi-level structure nanocomposites.

Introduction of communication author

Zhang WeiDirector of Electron Microscope Center of Jilin University, Tang Aoqing scholar-leading professor and doctoral supervisor. He is also the vice chairman of the Surface and Interface Physics Association of the Chinese Physical Society and the Jilin Electron Microscope Society. In 2004, he received a Ph.D. degree from China Institute of Metals, and successively engaged in scientific research in Japanese Institute of Materials, Samsung Institute of Comprehensive Technology, Fritz-Haber Institute of Germany, and data transfer unit and Spanish Energy Cooperation Research Center. He is in charge of general projects of NSFC, sub-projects of key projects and international cooperation projects of Jilin Science and Technology Department. His main research interests are surface/interface chemistry of catalysis and energy materials and electron microscopic analysis of advanced materials.

Zou Xu, Ph.D. graduated from College of Chemistry, Jilin University, under the supervision of Professor Li Guodong. In 2020, he was selected into the "Ding Xin Scholar" support program of Jilin University to carry out postdoctoral work, and his tutor was Professor Zheng Weitao. Up to now, the first (including one)/correspondent has published 8 research papers in Adv. Mater., J. Energy Chem, Angew. Chem. Int. Ed., Adv. Energy Mater. and other important academic journals. Among them, Adv. Mater was cited for more than 340 times and was selected as the "highly cited paper" of ESI. In addition, we applied for two invention patents in China. He presided over 3 scientific research projects, such as youth projects and doctoral programs (first-class).

abstract

The oriented two-dimensional porous nitrogen-doped carbon embedded with CoS₂ and MoS₂ nanosheets is a highly efficient bifunctional electrocatalyst. The hierarchical structure ensures fast mass transfer capacity in improving the electroc atalytic activity. And the greatly increased specific surface area is beneficial to expose more electrocatalytically active atoms. For oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) tests in 1 mol/L KOH solution, only 194 and 140 mV overpotential are required to achieve a current density of 10 mA/cm₂, respectively. Our research provides an effective strategy for synergizing the individual components in nanostructures for a wide range of electrocatalytic reactions.

Brief introduction of periodicals

Frontiers of Optoelectronics (FOE) is one of the English academic periodicals of Frontiers series, which is published by the Ministry of Education, Higher Education Press, and published overseas by Springer Publishing Company. Gong Qihuang from Peking University and Professor Zhang Xinliang from Huazhong University of Science and Technology are co-editors.

Its purpose is to introduce the latest research results and frontier progress in the international optoelectronics field, and strive to become an important information platform for researchers in this field to conduct rapid academic exchanges with their counterparts at home and abroad. The journal is co-sponsored by Higher Education Press, Huazhong University of Science and Technology and chinese optical society, and the organizer is Wuhan Optoelectronic National Research Center. FOE periodicals have been collected by Emerging Sources Citation Index (Esci), EI Compendex, Scopus, Inspec, Google Scholar, CsA, Chinese Science Citation Database (CSCD), OCLC, Scimago, Summer by Proquest, etc. In 2019, it was selected as the echelon periodical project of China Science and Technology Journals Excellence Action Plan.

Frontier series of English academic journals

Frontiers, a series of English academic journals sponsored by the Ministry of Education and Higher Education Press, was officially founded in 2006 and distributed to the whole world in online and print editions. The series of periodicals includes four topics: basic science, life science, engineering technology and humanities and social sciences. It is the most extensive English academic periodical group in China, of which 13 are included by SCI, and others are also included by A&HCI, Ei, MEDLINE or international authoritative retrieval systems of corresponding disciplines, which has certain international academic influence. The series of periodicals adopt online priority publishing method to ensure that articles are published at the fastest speed.

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The cheapest 7-seat Changan Automobile Changan Auchan has finally achieved it.

The requirement for people to buy a car now is not only comfortable, but also other aspects such as configuration, power, materials and workmanship are important reference factors. Some netizens left a message and wanted to see it. Today it came. As for its advantages, please read on.

First of all, from the appearance, the front style of Changan Auchan X7 PLUS looks elegant and very domineering. Coupled with tough headlights, it is full of sharpness. The car is equipped with LED daytime running lights, automatic opening and closing, delayed closing and so on. Coming to the side of the car, the body size of the car is 4730MM*1870MM*1720MM. The car adopts avant-garde lines, and the side wall presents a rounded design style, which is eye-catching with large-sized thick-walled tires. In terms of the rear end, the rear end echoes the front face, and the taillights present a stable design style, which is very unique.

In terms of interior, the interior adopts a fashionable and concise design, and the visual effect is very good. The steering wheel of the car is very in line with the interior style, and it is equipped with functions such as manual adjustment of the steering wheel up and down, and the visual effect is good. Take a look at the central control panel, which is decorated with a 12.3-inch central control panel, which makes the interior design quite layered and has a certain sense of technology. Finally, let’s look at the dashboard and seats. The dashboard of the car presents a domineering design style, giving people a very dynamic and lively feeling. The car adopts leather-like seats, which are wide and thick, further improving the comfort of drivers and passengers.

Changan Auchan X7 PLUS is matched with a wet dual clutch (DCT) gearbox, with a maximum power of 138KW and a maximum torque of 300N.m, which shows good power performance.

In terms of configuration, Changan Auchan X7 PLUS is equipped with car networking, driving mode selection, remote control key, Bluetooth key, rear wiper, engine start and stop and other configurations.

What’s your main impression of this car after reading the whole article? This car has been introduced almost before, and I believe many users who buy a car have taken a fancy to its comfort and practicality.

Tencent Car Alliance’s ＂Eco-car Networking＂ upgrade solves three major problems in the industry.

On May 22nd, "Smart Travel Sub-forum of Tencent Global Digital Ecology Conference" was held in Kunming. Tencent Chelian put forward the industry value proposition of evolution to the people-centered "eco-car networking", and released the "eco-car networking" solution, which organically connected Tencent’s and third-party content services to the car, and through super ID+ online payment, opened up the seamless experience in front of the car, in the car and behind the car. Based on the AI scene engine, the intelligent scene-driven "thousands of people+services to find people" is realized. At the same time, Tencent Chelian integrated the on-board WeChat service in the "Eco-car Networking" solution to provide users with more humanized on-board services.

"Tencent Chelian hopes to connect car companies, developers and users to build a people-centered eco-car network." Zhong Xuedan, vice president of Tencent Chelian, said that on the one hand, Tencent Chelian provides developers with a brand-new in-vehicle application framework, inherits the existing developer resources of the mobile Internet, and encourages developers to carry out application innovation and promote application ecological prosperity. On the other hand, we will work with partners in the automotive industry to create a service and application ecosystem suitable for automotive scenes, so that more digital and humanized services can be injected into automobiles, creating and enhancing user value.

Tan Benhong, Executive Vice President of Changan Automobile, Wang Qiujing, member of the Executive Committee of Guangzhou Automobile Group and President of Guangzhou Automobile Research Institute, Zhong Xiangping, Vice President of Tencent, and Zhong Xuedan, Vice President of Tencent Car Federation, witnessed the official release of the "Eco-car Networking" solution.

Four concepts to solve three major problems in the industry and promote the evolution of "eco-car networking"

Zhong Xuedan believes that the car networking industry is still in an early stage, and the evolution of the industry faces three core problems: First, compared with the mobile Internet, the content and services in the car are still lacking, and a large number of demand scenarios need to be developed urgently; Second, the Internet of Vehicles ecology is not the same as simply "putting the Internet ecology on the car", and the application of mobile Internet rarely meets the needs of car scenes. Third, the current car networking application scenario is fragmented, and it is impossible to get a consistent and coherent experience on and off the car.

In order to solve the three major problems when getting off the bus, Tencent Car Federation proposed to evolve to "eco-car networking". Zhong Xuedan introduced that "eco-car networking" has four core evolutionary directions: first, people-centered. Tencent hopes to combine the deep perception of the trinity of people, cars and roads, actively discover user needs and push corresponding services, and realize the evolution from "one thousand people" to "thousands of people" and from "people looking for services" to "services looking for people". Second, full-time online. Through super ID and WeChat payment, we can realize full-time interconnection across scenes and terminals, and open up a seamless digital experience before/during/after the car. Third, work with partners in the automotive industry to make the rich content service ecology fully adapt and organically combine with the car scene. Fourth, innovate together with developers, provide an in-vehicle application framework that is convenient to develop, and promote the ecological prosperity of applications.

As the most important eco-partners of Tencent Car Federation, Changan and GAC expressed their expectation for the development of "eco-car networking". Tan Benhong, executive vice president of Changan Automobile, said: "Changan Automobile highly recognizes Tencent’s smart travel strategic layout, and I think this layout must be a great layout that focuses on culture and plans the overall situation. I just listened to the people-centered eco-car networking. This must be the eco-car networking in the new era, and the future deserves our common expectation. "

Wang Qiujing, member of the Executive Committee of Guangzhou Automobile Group and president of Guangzhou Automobile Research Institute, said: "In recent years, Guangzhou Automobile has been carrying out extensive and in-depth cooperation with Tencent in cloud technology, AI artificial intelligence technology, car networking, content services, travel services, etc. Some products have been launched. After the release today, we also expect that our cooperation with Tencent will further develop into the eco-car network and develop more efficiently to travel services, hoping to export greater value to users and the automobile industry. "

Launched the "Eco-car Networking Solution", and the intelligent scene drove "service to find people"

Based on the above four evolution directions, Tencent Auto Intelligence has been upgraded, and an "eco-car networking solution" has been launched to help partners build an "eco-car networking" by providing a lightweight, ecological, cross-platform and cross-terminal tool chain.

First of all, Tencent Chelian launched a scene engine. Zhong Xuedan believes that the understanding of users, in-depth mining of vehicle behavior and scene data, rich ecological resources and unified account system are four important prerequisites for personalized intelligent recommendation. Based on super ID, AI, big data and LBS capabilities, the scene engine realizes intelligent matching of user interests, car-side scenes and service applications, and actively pushes personalized services through scene awareness.

For example, in the parking scene, the early warning function of illegal parking was introduced. When the vehicle senses that the owner is about to stop, it can combine LBS, traffic data and parking service data to give the user a warning of parking sticker risk and guide the owner to a safe parking place. In the car entertainment scene, a scene song list recommendation is introduced, which can be combined with users’ hobbies, weather, traffic conditions, local characteristics, etc., and push to users the music that will hit their hearts and respond to the situation. In the scene of go on road trip, the intelligent travel road book recommendation service is launched, which combines the scene perception and rich dynamic travel data to recommend interesting games along the way for users, such as reminding users of "the best sunset viewing point and time today", so as not to miss the good scenery on the way. When the vehicle breaks down, it can carry out automatic fault diagnosis, guide the user to the nearest maintenance point by himself, or call the nearby 4S shop by intelligent assisted rescue with one-click voice.

Secondly, Tencent Chelian provides super ID and WeChat payment capabilities to help car companies access rich mobile Internet services and open up multiple terminals such as mobile phones, cars and smart devices to realize "full-time online" services. For example, the collection of songs on mobile phones and cars can be synchronized, and users can continue to listen to radio programs they listen to at home in the morning. Order a cup of coffee with the car voice assistant in the car, get off the bus and arrive at the office synchronously with the coffee.

At the same time, in the "Eco-car Networking Solution", Tencent Car Alliance launched a set of developers’ application framework that is cross-OS and lightweight in the cloud-Tencent Small Scene. Tencent’s small scene does not need to be downloaded and installed, and can be updated online in the cloud to realize "active wake-up" based on voice and scene. According to reports, the mini-scenario is a set of in-vehicle application framework open to developers. As long as developers have a small program foundation, they can publish it as a Tencent mini-scenario with simple transformation, and at the same time support Tencent to enrich the access to internal and external ecological resources.

The car WeChat service expected by the industry is also integrated into the "Eco-car Networking Solution". In-vehicle WeChat is tailor-made for driving scenes, and provides WeChat messaging and voice calling functions based on full voice interaction. Users can send and receive messages only by moving their mouths without hands. Combined with the on-board hardware, you can give instructions with one button through the steering wheel button to arouse WeChat. And the on-board WeChat service can sense with the mobile phone Bluetooth, automatically log in when getting on the bus, and automatically disconnect when getting off the bus. At the same time, it supports receiving location on WeChat and launching navigation quickly. Zhong Xuedan revealed that it is expected that in 2019, there will be an "eco-car networking" model equipped with car WeChat.

Open Co-construction, Helping the digitalization of the whole cycle of "manufacturing-sales-travel-after-sales" in the automobile industry.

At present, Tencent Chelian has reached a partnership with 19 car companies, and 45 models have been or will soon land, and more than 300 head eco-partners have been joined to provide services for car owners.

On the basis of the "Eco-car networking solution", the cooperation mode between Tencent and car enterprise partners is also constantly expanding and deepening, and cooperation has been started in the aspects of car cloud, travel service and smart 4S shop, which provides coverage for the transformation of the automobile industry. "Manufacturing-sales-travel-after-sales" full life cycle assistance.

According to Li Bo, general manager of Tencent’s car-connected cloud and travel business, Tencent launched the "car brain" solution for car cloud, which not only provided traditional IAAS and PAAS services to car companies, but also joined many partners to provide a series of SAAS cloud solutions. At present, more than 18 mainstream car manufacturers have used the services of Tencent Auto Cloud, and the intelligent networked cloud platform has also landed in many car companies.

In the field of travel service, Tencent moped enterprises started to build a travel service platform from 0 and transformed into a mobile travel service provider. According to Li Bo, Tencent’s travel service solution provides one-stop cloud service capabilities, helps build a leading travel system, and provides a full-stage refined operation plan. At present, Tencent has provided travel service solutions and cloud services for five travel service companies, including GAC Travel, T3 Travel and Didi.

Tencent’s smart 4S distribution solution helps car companies to get through the "people-car-store" closed loop, and get through the links of pre-sales communication, vehicle test drive, sales and after-sales maintenance, so as to provide stores with a smarter customer management system, improve the efficiency and service of 4S stores themselves, and at the same time, the data of users’ maintenance during the service process will be synchronized to car companies, providing a reference for car companies’ manufacturing optimization. At present, Tencent has cooperated with major listed distribution groups and landed more than 100 4S stores.

Summer solstice： eat noodles to celebrate the harvest of ancestors and give a cold food to avoid crouching.

　　　 June 21st, 2020 is the 10th solar term among the 24 solar terms-the summer solstice.

　　"The day has been extremely cloudy, and the night leakage has been long since then." On the day of the summer solstice, the sun shines almost directly on the Tropic of Cancer, with the longest day and the shortest night in the northern hemisphere. After the summer solstice, the days in the northern hemisphere gradually shorten and the nights gradually lengthen.

Wechat picture _20200621083142.jpg

　　The summer solstice is approaching, and the fragrance floating in the lotus pond is refreshing. (Photographer: Guangwu)

　　The summer solstice marks the arrival of summer. After the summer solstice, the temperature will rise gradually and will enter the hottest period of the year. As the agricultural proverb goes, "The summer solstice is not hot, and the grains do not bear fruit", it can be seen that the summer solstice is hot and sunny, which is very beneficial to the growth of crops. At the same time, the yield of crops is closely related to the amount of precipitation, so there is also a saying among the people that "the summer solstice raindrops are worth thousands of dollars".

　　"The summer solstice is three Geng." From the third Geng day after the summer solstice, it will enter the dog days-the day with the highest temperature, humidity and sultry weather in a year is coming. On the day of the summer solstice, people will give each other folding fans, sachets and other things to avoid the summer. In addition, after the summer solstice, people generally eat Qingbuliang soup, herbal tea and sour plum soup to escape the heat.

　　The ancients attached great importance to the summer solstice and called it "Summer Festival". It is said that before the Qing Dynasty, there was a national holiday on the summer solstice, and in the Song Dynasty, officials had a holiday for three days.

　　The summer solstice is the time of wheat harvest, and the ancients have the custom of celebrating the harvest and offering sacrifices to their ancestors at this time, in order to pray for a good year. This custom has also been passed down to this day. For example, in central and southern Shandong, people will make dumplings with new noodles to worship heaven and earth and ancestors and celebrate the harvest. The locals call it "summer wheat".

　　In addition to ancestor worship, eating noodles on the summer solstice is also an important custom in many parts of China. "Winter Solstice jiaozi Summer Solstice Noodles". People make new wheat into noodles on the summer solstice, which means tasting new things and is also a performance to celebrate the harvest. In the north, people eat noodles with gravy and Zhajiang Noodles. In the south, people eat many kinds of noodles, such as Yangchun noodles, crossing the bridge, Regan Noodles and so on.

　　In addition to making noodles, some people also make new wheat into wheat brown, summer solstice cake and so on. Eating wheat brown is one of the customs of the summer solstice in the south of the Yangtze River. People not only eat wheat dumplings, but also give them to each other as gifts. In addition, on the day of the summer solstice, some farmers will roll the noodles into pancakes, bake them, and add vegetables, pods, tofu and bacon, which are called summer solstice cakes, which are eaten after ancestor worship or distributed to relatives and friends.

　　"After eating the summer solstice noodles, a day is shorter." After the summer solstice, the days are getting shorter and shorter, and the year is about to be over half. There is a saying in the agricultural proverb that "after the summer solstice, the hoe can’t rest", and the same is true in life. I hope everyone will cherish their time, work hard and expect life to be as brilliant as summer flowers. (zhangqian)

Shanxi Provincial Emergency Management Department ordered Shanxi Coal Import and Export Group Puxian Wanjiazhuang Coal Industry Co., Ltd. to stop production and rectify.

　　Cctv newsRecently, the Shanxi Provincial Emergency Management Department issued the Notice.

　　On September 19, 2022, a safety accident occurred in Puxian Wanjiazhuang Coal Industry Co., Ltd., a Shanxi Coal Import and Export Group affiliated to Shanxi Coking Coal Group. According to the Notice of the General Office of Shanxi Provincial People’s Government on Printing and Distributing the Provisions on Further Strengthening Coal Mine Safety Production (No.34 [2012] of Jin Zhengban Fa), we hereby make the following decision:

　　1. Order Shanxi Coal Import and Export Group Puxian Wanjiazhuang Coal Industry Co., Ltd. to stop production and rectify according to regulations from now on. Your bureau is responsible for the implementation, and more than 2 personnel are stationed on the spot to supervise the rectification of the mine. During the rectification, it is strictly forbidden to engage in underground mining operations.

　　Two, cancel the Shanxi Coal Import and Export Group Puxian Wanjiazhuang Coal Industry Co., Ltd. secondary standardization level.

　　Three, to strengthen the safety management during the rectification period, to ensure safety.

　　4. After the rectification, organize the resumption of production acceptance according to the Notice of the General Office of Shanxi Provincial People’s Government on Printing and Distributing the Management Measures for the Recovery and Reconstruction of Coal Mines in Shanxi Province (Jin Zheng Ban Fa [2016] No.12) and the Notice of the Office of the Work Safety Committee of Shanxi Provincial People’s Government on Printing and Distributing the Basic Conditions for the Recovery and Reconstruction of Coal Mines in Shanxi Province (Trial) (Jin An Ban Fa [2019] No.10). After passing the acceptance,

On-the-spot report on the first day of Spring Festival travel rush railway： orderly return to hometown

&emsp; &emsp; On January 26th, 2024, Spring Festival travel rush was officially launched. Spring Festival travel rush in 2024 starts from January 26th and ends on March 5th, including 15 days before the festival and 25 days after the festival, totaling 40 days.

&emsp; &emsp; Spring Festival travel rush, with 9 billion people traveling back and forth, presents a vibrant and energetic China. On the first day of Spring Festival travel rush, the reporter came to Beijing West Railway Station, started a dialogue with many railway staff and passengers, gathered multiple perspectives, listened to stories on the way, and condensed a picture of 2024 railway Spring Festival travel rush with "orderly, efficient service and rich flavor".

Platform of Beijing West Railway Station (Photo courtesy of Beijing Bureau of China Railway)

&emsp; &emsp;-passenger flow is superimposed and orderly.

&emsp; &emsp; During Spring Festival travel rush this year, the railway department is expected to send 480 million passengers, with an average of 12 million passengers per day, an increase of 37.9% compared with that of Spring Festival travel rush in 2023. China State Railway Group Co.,Ltd. is expected to arrange about 12,700 passenger trains every day before the festival, and its passenger capacity will increase by 14.4% compared with that of Spring Festival travel rush in 2019.

&emsp; &emsp; According to the person in charge of China State Railway Group Co.,Ltd. Passenger Transport Department, during this year’s Spring Festival travel rush, it is expected that the railway passenger flow will be superimposed with the flow of visiting relatives, students, workers and tourists, showing the characteristics of overall high operation, relatively stable before the holiday and relatively concentrated after the holiday.

&emsp; &emsp; Yu, a student from Baoji, Shaanxi Province, is a freshman in Beijing. This is his first experience in Spring Festival travel rush. From ticket purchase to pit stop, the most impressive impression of Spring Festival travel rush this year is convenience. "I made an appointment on the Internet ten days in advance, and I bought the ticket smoothly. I changed it once for some reasons, and the process was smooth."

&emsp; &emsp; It is reported that in order to cope with the large passenger flow in Spring Festival travel rush, co-ordinate passenger and cargo transportation, and scientifically and reasonably arrange transportation capacity, China State Railway Group Co.,Ltd. has launched eight measures to ensure the convenience and benefit of the people, scientifically arrange transportation capacity supply, enhance passengers’ ticket purchasing experience, strengthen travel information services, optimize railway station and train services, create a civilized travel environment, implement preferential fare policies, and ensure the transportation of key materials. Think about what passengers think and worry about what passengers are anxious about. From buying tickets to waiting for a bus, taking a bus to eating, the whole process checks for missing and filling up shortcomings, making the way home more humane, convenient and intelligent, and striving to achieve the goal of "Safe Spring Festival travel rush, orderly Spring Festival travel rush, warm Spring Festival travel rush, and better experience for passengers".

&emsp; &emsp;-Adequate guarantee and efficient service.

&emsp; &emsp; At 5: 34 am on 26th, the G6701 train slowly left Beijing West Railway Station, which was the first high-speed train in Spring Festival travel rush in 2024. The G6701 train is operated by Jingcheng Group 3, Team 2 of Shijiazhuang Passenger Transport Section of China Railway Beijing Bureau Group Company.

&emsp; &emsp; Ma Jinye, the conductor of the G6701 train, said that in order to meet the travel needs of passengers in Spring Festival travel rush, the G6701 train was replaced by the original Harmony 380AL model and reconnected with the Fuxing CR400AF model, with an increase of 124 people.

&emsp; &emsp; This year, Spring Festival travel rush and Shijiazhuang Passenger Transport Section No.2 High-speed Railway Team optimized 12 railway convenience measures, such as key reservation service, Internet ordering service, and mobile charging treasure. At the same time, it also added large luggage delivery service specifically for the elderly with more luggage and passengers traveling with children, which effectively reflected the warm service to the last mile of passengers’ journey.

&emsp; &emsp; Among them, the "Blue Ribbon Action" initiated by Beijing Bureau Group appeared for the first time, that is, when an older man rides a car, the flight attendant will tie a blue ribbon on his hand to remind all staff to pay attention and provide help in time during the inspection.

Train G6701 (Photo courtesy of Beijing Bureau of China Railway)

&emsp; &emsp; With regard to security measures in Spring Festival travel rush, Wang Shaojie, deputy director of Beijing Railway Public Security Department, said that in light of the fact that the passenger flow this year has exceeded that of previous years, Beijing Railway has made full preparations in terms of police force arrangement, post setting and police security in advance in accordance with the requirements of "one stop, one plan" and "police force following demand". In the early stage, a one-month special rectification of station security order and hidden dangers of line security was carried out, which laid a good foundation for Spring Festival travel rush.

&emsp; &emsp; At Beijing West Railway Station, a fast entrance channel has been opened in the North Ticket Office. After purchasing tickets, passengers can directly check their tickets and take the bus to ensure the smooth entrance of passengers. At the 12306 service desk, the reporter saw the reading glasses, sewing kit, Red Cross first aid kit, AED and other facilities configured here for the convenience of passengers in need; There is a free charging device installed in the waiting area to meet the emergency mobile phone charging needs of passengers; In order to improve the assistance to key passengers, in view of the fact that the elderly will not use the smart phone network to purchase tickets, the ticket office has set up a "Beijing Railway Love and Respect for the Elderly Slow Window"; The waiting room of Beijing Railway Aixin 036 is also equipped with special wheelchairs and stretchers to provide love pick-up and drop-off service for special key passengers.

&emsp; &emsp; Mr. Shen is taking his 92-year-old mother on the way to achieve the goal of "traveling around the world". They have just returned from Harbin and changed trains at Beijing West Railway Station for Yinchuan for the New Year. According to him, although there was no Spring Festival travel rush a few days ago, it was already difficult to buy a ticket to Harbin. "Because there was no direct flight from Yinchuan to Harbin, we grabbed it from Baotou, but we only grabbed the middle shop. After getting on the bus, the flight attendant learned that my mother was too old to climb the middle berth, so she went to the rest room of the conductor. This experience made me deeply feel the care of the train for the elderly. "

&emsp; &emsp;-the taste of the year is rich, and it is homesick.

&emsp; &emsp; Walking into Beijing West Railway Station, the most eye-catching thing is the warm atmosphere of the calligraphy public welfare activities of "Send Wanfu and Enter Wanjia". The Beijing Bureau Group Company organized 12 calligraphy backbones to present the Spring Festival couplets to the advanced model workers and front-line workers of the Beijing Bureau at the West Railway Station, as well as the vast number of passengers riding in Beijing West Railway Station, so that they can feel the warmth and happiness of the journey and the strong flavor of China.

&emsp; &emsp; Ding Qi, secretary-general of the Calligraphers Association of Beijing Bureau Group Company, shared that just one hour after the activity started, he wrote more than 90 fu characters and more than 10 couplets, "feeling the high enthusiasm of the passengers".

"Send Wanfu, Enter Wanjia" Calligraphy Public Welfare Activity (Photo courtesy of China Railway Beijing Bureau)

&emsp; &emsp; Ms Qu, from Xi ‘an, said, "I came to Beijing on business, and I happened to see that the Beijing Railway Bureau was holding this activity. I specially brought a blessing. I hope my family will be safe, healthy and happy in the new year, so I am very happy to get the blessing. After returning, it must be posted at home for the first time, and it is also to bring the enthusiasm of the people in the capital back to Xi’ an. "

&emsp; &emsp; On platforms and trains, the elements of the Spring Festival can also be seen everywhere, adding a deep warmth and flavor to the passengers’ way home.

&emsp; &emsp; Ren, who is studying in middle school, decided to travel to Wuhan after the holiday, which happened to catch up with the first day of Spring Festival travel rush. "I felt a strong fireworks and human touch in the car. Although I set out alone, I will definitely not feel lonely along the way."

&emsp; &emsp; "Returning home" is the eternal theme of Spring Festival travel rush. A train is full of homesickness, witnessing the wandering people from all over the world meet from now on, and then go to all over the world, eager to return home, overflowing all directions.

&emsp; &emsp; Mr. Liu from Xingtai is engaged in take-away work in Beijing. He is going to spend the Spring Festival in 2024 at work, but on the first day in Spring Festival travel rush, he still can’t wait to buy a ticket to return home. "I want to go home first, buy new clothes and firecrackers for my children, and prepare new year’s goods for my family. The children are looking forward to my return."

&emsp; &emsp; Ms. Zhou from Zhengzhou took an early leave to go home. "The two children have never returned to their hometown since they were born. This year, I also want to take them back early to see where my mother grew up."

&emsp; &emsp; When it comes to missing his family, Mr. Lu from Anyang didn’t make a sound. He first shed tears. "I haven’t seen my family for a long time and miss them very much. The new house at home has also been renovated, and I hope to have a good year with my family in the new house this year. "

&emsp; &emsp; ……

&emsp; &emsp; The ordinary stories of ordinary people constitute the temperature of Spring Festival travel rush, and the emotions of small families outline the warmth of flowing China. Escort in many ways, the curtain of Spring Festival travel rush in 2024, is slowly opening in the exuberant vitality. (Text/Han Yina)

Celebrate the Xiangjiang River, Create New Brilliance (New Era Picture Scroll Celebrating the 25th Anniversary of Hong Kong’s Return to the Motherland)

In Tsim Sha Tsui, Hong Kong, the streets are covered with regional flags of National Flag of the People’s Republic of China and Hong Kong Special Administrative Region. Photo by Li Zhihua (image China)

Tourists took a group photo at the seaside in Tsim Sha Tsui. Our reporter Cheng Longshe

The theme tram "Celebrating the Reunification" passed through the streets of Hong Kong, filled with a strong festive atmosphere. Photo by Li Zhihua (image China)

Performers are playing guzheng at the launching ceremony of the literary tour celebrating the 25th anniversary of Hong Kong’s return to the motherland. Photo by our reporter Judy

Sha Tin Park, Hong Kong, features colorful gardens featuring giant birthday cakes, creating a joyful atmosphere to celebrate the 25th anniversary of Hong Kong’s return to the motherland. Photo by our reporter Judy

Hong Kong has bright lights and beautiful night. Xinhua News Agency reporter Lu Xiaoyu photo

　　On the streets of Hong Kong, banners and posters celebrating the 25th anniversary of Hong Kong’s return to the motherland can be seen everywhere, and the festive painting of bus bodies is particularly eye-catching. In Tsuen Wan, Tsim Sha Tsui and other places, the regional flags of National Flag of the People’s Republic of China and Hong Kong Special Administrative Region are flying; In the East Youth Square, panda lanterns have become a popular landscape for citizens to take photos and "punch in"; As night falls, the skyscrapers on both sides of Victoria Harbour light up the exterior wall lighting, which complements the reflection on the water surface … …

　　Various circles in Hong Kong have recently held colorful celebrations to express their patriotic feelings and express their joy. More than 1,000 Hong Kong youths played "flash". They dressed in uniform and appeared in many landmark attractions in Hong Kong. The song "Singing the Motherland" was cheerful and enthusiastic. Literary tours, music evenings, photo exhibitions and art exhibitions have appeared one after another, bringing spiritual feasts to Hong Kong people. A number of patriotic and Hong Kong-loving organizations organized float parades, antique car parades, fishing boat parades and other activities, attracting many citizens to watch.

　　In addition, the SAR Government also launched the "Celebrating the Return to China and Showing Care" campaign, and distributed gift packages to grassroots families to celebrate the 25th anniversary of the establishment of the SAR, expressing holiday greetings to the citizens.

　　At present, Hong Kong is in a critical period from rule to prosperity. With the strong support of the central government and the joint efforts of the Hong Kong SAR government and all walks of life, Hong Kong will surely create new glories at a new starting point!

　　(Reporter Feng Xuezhi)

It’s snowing and cooling in these places. See if there is your hometown？

　　Cctv newsAfter the low temperature of-41.1 degrees Celsius appeared in Mohe City, Heilongjiang Province yesterday (4th), the temperature continued to drop this morning (5th). At 7 o’clock in the morning, the temperature in Luoguhe Village in Mohe dropped to-43.5 degrees Celsius. In the low temperature weather, ice and fog weather appeared in Mohe city.

　　Today (5th) morning, the temperature in downtown Mohe was below 42.7 degrees Celsius, and the low temperature condensed the water vapor in the air, forming ice and fog weather. According to experts, ice fog is a sign that people identify extreme weather in extremely cold areas. The visibility of the street was less than 100 meters under the cover of ice fog. Local traffic police officers went on the road in advance to divert traffic, and passing vehicles turned on fog lights one after another.

　　In the cold weather in Mohe, several foreign tourists were particularly excited and experienced the process of splashing water into ice on the spot. In the cold outdoor, when hot water is splashed out, it will quickly cool down and condense into ice crystals, forming an arc-shaped ice fog, which looks like countless ice arrows shooting in all directions.

　　It was not until ten o’clock in the morning that the ice fog gradually dispersed. The local meteorological department predicts that the temperature in Mohe will rise in the next few days, but the minimum temperature will remain at MINUS 35 degrees Celsius.

　　[Inner Mongolia] The extreme cold range of strong winds, rain and snow has expanded

　　Affected by strong cold air, today (5th), most parts of Inner Mongolia once again ushered in cold wave cooling weather, which is also the second round of cold wave process in the local area since this month.

　　With the strong invasion of cold air, since yesterday (4th), there have been strong winds, rain, snow and cooling weather in the central and western regions of Inner Mongolia. Because the time interval between this round of cold air and the last round of cold air is less than 24 hours, the superposition effect of cooling is very obvious. Today, the central and western Inner Mongolia ushered in the lowest temperature since this winter, and the lowest temperature in some areas fell below MINUS 20 degrees Celsius. At the same time, it was accompanied by light snow and northwest winds of 5 to 6, and the combination of snow and snow made people feel even more chilly.

　　In Hulunbeier City, located in the northeast, the temperature dropped to MINUS 30 degrees Celsius this morning. Compared with the temperature of MINUS 5 degrees on the 2nd, the local temperature dropped by about 25 degrees, while the extreme cold range of MINUS 40 degrees Celsius in Daxinganling forest area continued to expand.

　　The reporter learned from the Inner Mongolia Meteorological Observatory that this round of cold air affects for a long time, and it is expected that the temperature in most parts of Inner Mongolia will continue to drop in the next five days.

　　Traffic control of snow in many places, high-speed and multi-section in Gansu

　　Since the night of yesterday (4th), a new round of snowfall and cooling weather has been ushered in Hexi area of Gansu Province. Snowfall occurred in Jiuquan, Jiayuguan and Zhangye in Gansu, and the lowest temperature in Jiayuguan approached -20℃. Affected by the weather, roads are frozen, and traffic control is implemented in several sections of Lianhuo Expressway in Gansu.

　　It can be seen from the monitoring screen of the Traffic Management Bureau Command Center of Gansu Provincial Public Security Department that the snowfall in Hexi area of Gansu Province continued on the morning of the 5th. By 3: 00 pm, the traffic police department had implemented different degrees of traffic control measures on the Zhangye section, Jiuquan section and Jiayuguan section of Lianhuo Expressway.

　　At the same time, two-way traffic control measures are also implemented in the Guazhou-Dunhuang section of Liuge Expressway. It can be seen from the monitoring screen that the traffic police department will guide the vehicles that have been driving on the expressway to the nearest service area to rest and wait, and the other vehicles will be diverted to the 312 National Road. There are no vehicles and personnel stranded in Gansu province due to snowfall for the time being.

　　At present, the snowfall continues. The Gansu Provincial Meteorological Observatory issued a yellow road icing warning. Within 24 hours, road icing will still occur in some sections of Wuwei, Jinchang, Zhangye, Jiuquan and Jiayuguan. Remind passing drivers to pay attention to road conditions and drive safely.

　　[Taiyuan, Shanxi] The first snowfall in this winter was affected.

　　Today, Taiyuan, Shanxi Province also ushered in the first snowfall this winter. To this end, the Shanxi Meteorological Observatory issued a blue warning of cold wave.

　　This morning, the reporter saw on the streets of Taiyuan that snowflakes were falling down one after another, and a thin layer of snow was accumulated on the road surface and roof. Pedestrians on the road are wearing hats and cotton-padded clothes.

　　The Shanxi Meteorological Observatory issued a blue warning of cold wave at 10: 19 this morning. It is predicted that in the next 48 hours, most areas of Shanxi will usher in the process of rain and snow. Due to the influence of strong cold air, the minimum temperature in some areas will drop by more than 8 C, accompanied by 4 ~ 5 northwest winds.

　　[Shijiazhuang] The first snowfall this winter, the temperature plummeted.

　　Today (5th), Shijiazhuang City, Hebei Province, dropped the first snowfall after this winter, and the minimum temperature dropped to minus 4 degrees Celsius.

　　At 7 o’clock this morning, the reporter saw in the streets of Shijiazhuang that snowflakes were falling down, and soon the buildings and grasslands were covered with a layer of white gauze. With the snowfall, the lowest temperature in Shijiazhuang dropped to minus 4 degrees Celsius, and people who went out wore hats and cotton-padded jacket to resist the cold.

　　As the snowfall just caught up with the morning peak, the road surface was slippery, which led to the slow driving of vehicles. All the traffic control departments in Shijiazhuang took up their posts and braved the snow at major intersections to divert traffic.

　　According to the news of Hebei Meteorological Observatory, in the next three days, there will be continuous low-temperature weather in Hebei Province, and the minimum temperature drop in all places is generally between 6 ~ 8℃.

　　[Henan] Significantly cooled down and issued a cold wave blue warning.

　　Today (5th), most parts of Henan were affected by cold air, and there was also a sharp cooling weather, and some areas also ushered in snowfall. To this end, the Henan Meteorological Observatory issued a blue warning of cold wave.

　　This morning, the Sanmenxia and Anyang areas in Henan Province ushered in snowfall. People who traveled put on thick winter clothes and many vehicles slowed down.

　　In Zhengzhou, the first sleet fell this morning since the winter of this year. The local meteorological department said that this sleet will end tonight, but then there will be strong winds and cool weather. It is expected that the highest temperature in Zhengzhou will drop to about 0 C in the next two days.

　　It is understood that the Henan Meteorological Observatory issued a blue warning of cold wave this morning (5th): It is estimated that the minimum temperature in the north of the Yellow River and Zhengzhou, Kaifeng and other areas in Henan will drop by about 8℃ in the next 48 hours. The meteorological department suggested that cooling and snowfall will bring slippery roads and even ice, which will have a certain impact on urban traffic, and also remind residents to pay attention to safety when traveling. In addition, snowfall will have a certain impact on crops, and growers need to take necessary protective measures.

　　[Guizhou] When cold air strikes, the temperature will drop below 0℃

　　Starting tonight (December 5), the whole province of Guizhou will also usher in a strong cold air with the largest cooling range and the strongest duration since the second half of this year.

　　According to the forecast of Guizhou Meteorological Observatory, from today (December 5th) night, there will be low temperature and rainy weather in Guizhou Province, the temperature in most areas will drop significantly, and sleet or snowfall will occur in some areas on the 6th. In the next two days, due to the influence of cold air, the local temperature will continue to drop. Starting from the night of the 7th, the temperature in many places in Guizhou will drop below zero degrees Celsius, except in some areas with low altitude on the northern edge.

　　Compared with previous years, the freezing weather in Guizhou came earlier this year, and the meteorological department reminded all departments to prepare for it.

Park Si Hoo plays a writer in the new film ＂I am a murderer＂ with fans.

Park Si Hoo and his fans filmed the scene.

Stills of "I am a murderer"

　　　 Movie network news(Compile /Ben) According to Korean media reports, Park Si Hoo had a unique filming time with his fans. According to Korean media reports, the film "I am a Murderer" was filmed in a bookstore in Jongno, Seoul at the end of January. Park Si Hoo, the leading actor, appeared with his fans and had a very special time. "I am a murderer" is positioned as an action suspense film, which tells the story of a serial killer who reappears in public after the expiration of the limitation of public prosecution, and assembles the records of his criminal process into a book and becomes a best-selling author. Park Si Hoo played the role of serial murderer "Li Dongshuo" in the film.

　　　 The picture taken that day was "Li Dongshuo" attending the signing ceremony of his new book, and his supporters and opponents gathered at the scene. These extras are performed by more than 100 fans in Park Si Hoo. Despite staying up late to shoot, and the temperature was very low that day, more than 100 fans always accompanied the idols to shoot one by one. South Korea’s KBS TV also reported on this scene.

　　　 Park Si Hoo said in an interview: "Thanks to the fans, I have a very good memory. Although the weather was very cold, everyone smiled and participated in the filming from beginning to end. I am very sorry and grateful to these fans. They made me realize my sense of responsibility. " In addition, I am a murderer has entered the post-production stage and will be released in the first half of this year.

Notice of the State Council Customs Tariff Commission on Relevant Issues Concerning the Adjustment of Import Duty on Imported Articles

Notice of the State Council Customs Tariff Commission on Relevant Issues Concerning the Adjustment of Import Duty on Imported Articles
Tax Commission [2019] No.17

General Administration of Customs:

With the approval of the State Council, the State Council Customs Tariff Commission decided to adjust the import tax on imported goods. The relevant matters are hereby notified as follows:

First, reduce the tax rates of import tax items 1 and 2 of imported articles to 13% and 20% respectively.

II. Amend the annotation of heading 1 "Drugs" to read "Imported drugs subject to import value-added tax at a reduced rate of 3% as stipulated by the state shall be taxed according to the goods tax rate".

Third, the above adjustments will be implemented as of April 9, 2019.

The adjusted Table of Import Tax Rates for Imported Articles in People’s Republic of China (PRC) is attached.

Attachment: People’s Republic of China (PRC) Import Tax Rate Table for Imported Articles.

The State Council Customs Tariff Commission
April 8, 2019

Attachment download：middleTable of Import Tax Rates for Imported Articles of the People’s Republic of China. pdf

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