Analysis on the explosion mechanism of lithium-ion batteries Volume # Issue $ Journal of Electrochemistry 2001-2002 # # # # # # # # # # # # # # #3456 !\"# 746 $ 89:6 \"%%&Article number: !%%&;$Analysis on the explosion mechanism of lithium-ion batteries Chen Yuhong, Tang Zhiyuan!, He Yanbing, Liu # Qiang (Department of Applied Chemistry, School of Chemical Engineering, Tianjin University, Tianjin )Abstract: The thermal decomposition characteristics of lithium-ion battery materials and the explosion mechanism of lithium-ion batteries under heating, \" or)!6 %> *4! K $ 7B! K $ /F$ -\" , overcharge, short circuit, etc. Experiments show that there is a 1(0) film on the surface of the negative electrode between >% L $>% M, which can decompose the electrolyte and even)B! *&. ! *& reacts with N3OP and other $ exothermic reactions. The electrolyte begins to release heat at !=\' M. The thermal decomposition reaction of )B! Q ! *4! K $ 7B! K $ /F! K $ -\" starts at \"$% M. 6 Lithium-ion batteries explode when heated at !>% M, !6 > * explode when overcharged to !> @BF, and do not explode under short-circuit conditions. 6 Keywords: # lithium-ion battery; explosion mechanism; thermal stability; overcharge; short circuit. Chinese Library Classification Number: # +/R!\"6 R; +/R!!# # # # # # # # Document Identification Code: # 8 Since the commercialization of lithium-ion batteries by Japan\'s 14FD Energy Company in the 1990s, lithium-ion batteries have become one of the main power sources for portable electronic products such as mobile communications and laptops due to their advantages such as high specific energy and high voltage. 6 However, the main constraint on the commercialization of high-capacity and power lithium-ion batteries is safety issues, especially under abuse conditions (such as heating, Overcharge, over discharge, short circuit, vibration, extrusion, etc.) can cause fire, explosion and even personal injury [!] 6 Research on the explosion mechanism of lithium-ion batteries...
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