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Three mandatory national standards for electric vehicles are officially released

Time : 2020-08-29

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Three mandatory national standards for electric vehicles are officially released

  On May 12, 2020, GB 18384-2020 "Safety Requirements for Electric Vehicles", GB 38032-2020 "Safety Requirements for Electric Buses" and GB 30381-2020 "Safety Requirements for Power Batteries for Electric Vehicles" formulated by the Ministry of Industry and Information Technology The three mandatory national standards (hereinafter referred to as the "three strong standards") have been approved and promulgated by the State Administration for Market Regulation and the National Standardization Administration and will be implemented on January 1, 2021. The safety of electric vehicles is the focus of consumers' attention and the fundamental guarantee for the sustainable and healthy development of the new energy vehicle industry. In order to implement the requirements of the "Energy-saving and New Energy Automobile Industry Development Plan (2012-2020)", and the "Mid- and Long-term Development Plan for the Automobile Industry" and other requirements, combined with the actual development of the new energy automobile industry and the needs of technological progress, the industry and informatization will start electric in 2016 The establishment of three strong standards for automobile safety.

  The three strong standards are based on China’s original recommended national standards, and are fully integrated with the United Nations Global Technical Regulations on Electric Vehicle Safety (UN GTR 20) that China has led to formulate, and further improve and optimize the requirements for electric vehicles and power battery products. Safety technical requirements. Among them: "Electric Vehicle Safety Requirements" mainly stipulates the electrical safety and functional safety requirements of electric vehicles, and increases the battery system thermal event alarm signal requirements, which can promptly remind drivers and passengers of safety; strengthen the waterproof and insulation resistance of the vehicle And monitoring requirements to reduce the safety risks of vehicles in normal use, wading, etc.; optimized test methods such as insulation resistance, capacitive coupling, etc., to improve test detection accuracy and ensure the safety of high-voltage power for the entire vehicle.

  Main drafting units: BYD Automobile Industry Co., Ltd., China Automotive Technology Research Center Co., Ltd., Beijing New Energy Automobile Co., Ltd., China FAW Group Co., Ltd., SAIC Maxus Automobile Co., Ltd., Shanghai Weilai Automobile Co., Ltd., National Automobile Quality Supervision and Inspection Center (Xiangyang), Chongqing Vehicle Inspection and Research Institute Co., Ltd., SAIC Motor Technology Center, Guangzhou Automobile Group Co., Ltd., Ningde Times New Energy Technology Co., Ltd., Zhejiang Geely New Energy Commercial Vehicle Co., Ltd., Changchun Automobile Inspection Center Co., Ltd., Zhejiang Geely Holding Group Co., Ltd., Hunan CRRC Times Electric Vehicle Co., Ltd., Cadaque Motor Vehicle Quality Inspection Center (Ningbo) Co., Ltd., Chongqing Changan New Energy Automobile Technology Co., Ltd., Chery New Energy Automotive Technology Co., Ltd., FAW-Volkswagen Automotive Co., Ltd., Pan Asia Automotive Technology Center Co., Ltd., Zhengzhou Yutong Bus Co., Ltd., Anhui Jianghuai Automobile Group Co., Ltd., Haima New Energy Automobile Co., Ltd., Huawei Technologies Co., Ltd., Chongqing Jinkang New Energy Automobile Co., Ltd., Dongfeng Motor Group Co., Ltd. Technology Center, Shenzhen Tenshi New Energy Automobile Co., Ltd., Suzhou Inovance United Power System Co., Ltd., SAIC-GM-Wuling Automobile Co., Ltd.

  "Electric Bus Safety Requirements" aims at the characteristics of large number of passengers, large battery capacity, and high driving power of electric buses. Based on the standard of "Electric Vehicle Safety Requirements", the conditions for collisions, charging systems, and vehicle waterproofing of the battery compartment of electric buses are tested. And requirements put forward more stringent safety requirements, increase the flame retardant requirements of high-voltage components and the minimum management unit of the battery system thermal runaway assessment requirements, and further improve the risk prevention ability of electric bus fire accidents.

  Main drafting units: Zhengzhou Yutong Bus Co., Ltd., China Automotive Technology Research Center Co., Ltd., BYD Automobile Industry Co., Ltd., Ningde Times New Energy Technology Co., Ltd., Chongqing Vehicle Inspection and Research Institute Co., Ltd., Zhejiang Geely New Energy Commercial Vehicle Co., Ltd. , SAIC Maxus Automobile Co., Ltd., Hunan CRRC Times Electric Vehicle Co., Ltd., National Automobile Quality Supervision and Inspection Center (Xiangyang), Shanghai Motor Vehicle Testing and Certification Technology Research Center Co., Ltd., Changchun Automobile Testing Center Co., Ltd., China Automotive Engineering Research Research Institute Co., Ltd., Dongfeng Motor Group Co., Ltd. Technology Center, Anhui Ankai Automobile Co., Ltd., Xiamen Jinlong United Automobile Industry Co., Ltd., Xiamen Jinlong Station Wagon Co., Ltd., Beiqi Foton Motor Co., Ltd., Zhongtong Bus Holding Co., Ltd. .

  While optimizing the safety requirements for battery cells and modules, the "Safety Requirements for Power Batteries for Electric Vehicles" emphasizes the thermal safety, mechanical safety, electrical safety, and functional safety requirements of the battery system. The test items cover system heat diffusion, external fire, Mechanical shock, simulated collision, damp heat cycle, vibration in water, external short circuit, over temperature and over charge, etc. In particular, the standard adds the thermal diffusion test of the battery system, which requires that after the battery cell is thermally out of control, the battery system will not catch fire or explode within 5 minutes, so as to reserve a safe escape time for the occupants.

  The main drafting units are Ningde Times New Energy Technology Co., Ltd., China Automotive Technology Research Center Co., Ltd., Hefei Guoxuan High-tech Power Energy Co., Ltd., Wanxiang 123 Co., Ltd., Shanghai Canai New Energy Co., Ltd., China Electronics Technology Group Corporation The 18th Institute, Equipment Industry Development Center of the Ministry of Industry Information Technology, BYD Automobile Industry Co., Ltd., Tianjin Lishen Battery Co., Ltd., Hunan Keba Automobile Power Battery Co., Ltd., Beijing New Energy Automobile Co., Ltd., Shenzhen BYD Lithium Battery Co., Ltd., Shanghai Weilai Automobile Co., Ltd., CITIC Guoan Mengguli Power Technology Co., Ltd., Chery New Energy Automotive Technology Co., Ltd., Shanghai Automotive Group Co., Ltd. Technology Center, China FAW Group Co., Ltd., Guangzhou Automobile Group Co., Ltd. Co., Ltd., Chongqing Changan New Energy Automobile Technology Co., Ltd., Zhejiang Geely Holding Group Co., Ltd., Shanghai Motor Vehicle Testing and Certification Technology Research Center Co., Ltd., National Automobile Quality Supervision and Inspection Center (Xiangyang), Changchun Automobile Testing Center Co., Ltd., Zhidou Electric Vehicle Co., Ltd., Shenzhen Waterma Battery Co., Ltd., Great Wall Motor Co., Ltd., Tianjin Gateway Power Industry Co., Ltd., Huizhou Yineng Electronics Co., Ltd., Dongfeng Motor Group Co., Ltd. Technology Center, Yinlong New Energy Co., Ltd. Co., Ltd., Zhongtong Bus Holding Co., Ltd., Weihong Power System (Huzhou) Co., Ltd., and Pan Asia Automotive Technology Center Co., Ltd.

  The three strong standards are the first batch of mandatory national standards in the field of electric vehicles in China. They integrate the technological innovation achievements and experience summaries of China’s electric vehicle industry and fully coordinate with international standards and regulations to improve the safety level of new energy vehicles and ensure the continued health of the industry. Development is of great significance.

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