关键词: 电动汽车；锂离子电池；热失控；安全测试

Abstract: The safety of li-ion batteries is a major challenge in the development of large-scale applications of power batteries in electric vehicles. Thermal runaway can lead to safety hazards include smoke, fire or explosion. Batteries safety testing is the main method to help reducng the thermal runaway threat. Chinese and international standards of thermal runaway testing standards for li-ion power batteries are reviewed. Testing items such as overcharging, forced discharge, external short circuit, heating and temperature shock, and crush (or collision) are analyzed, the test conditions and parameters in GB 38031－2020, UL 2580－2020, and UN/ECE R 100.02－2013 are discussed. This study briefly summarize the characters and shortcomings of those standards. It is hope to contribute to the continuous updating and optimization for batteries safety standards, and a more scientific testing and evaluation method can be established.

Key words: Electrical vehicle; Li-ion battery; Thermal runaway; Safety testing