引用本文:
王青松, 孙金华, 姚晓林, 陈春华. 锂离子电池中的热效应[J]. 应用化学,
2006, 23(5): 489-493.
Citation: WANG Qing-Song, SUN Jin-Hua, YAO Xiao-Lin, CHEN Chun-Hua. Thermal Behavior Inside Lithium-ion Batteries[J]. Chinese Journal of Applied Chemistry, 2006, 23(5): 489-493.
Citation: WANG Qing-Song, SUN Jin-Hua, YAO Xiao-Lin, CHEN Chun-Hua. Thermal Behavior Inside Lithium-ion Batteries[J]. Chinese Journal of Applied Chemistry, 2006, 23(5): 489-493.
锂离子电池中的热效应
English
Thermal Behavior Inside Lithium-ion Batteries
Abstract:
In order to study the thermal behavior in lithium-ion battery,the main heat generation process in the battery was studied by means of a C80 calorimeter.The main heat output processes including the thermal decomposition of electrolyte and electrodes,the reactions between electrolyte and electrodes,were analysed in this paper.The results show that the lithiated carbon reacted with electrolyte even at 40℃,and delithiated Li0.5CoO2 reacted with electrolyte at 132℃ with heat generation.In normal usage,the heat is mainly contri-buted by the impedance.When the temperature is over 72℃,exothermic reaction occurs inside the battery,with heat generation of 1 036.7 J/g.
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Key words:
- lithium-ion battery
- / battery material
- / thermal decomposition
- / C80 micro calorimeter
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