Researches on modeling and experiment of Li-ion battery PTC self-heating in electric vehicles

被引:47
|
作者
Jin, Xin [1 ]
Li, Jun-qiu [1 ]
Zhang, Chen-ning [1 ]
Wu, Pu-en [1 ]
机构
[1] Beijing Inst Technol, Collaborat Innovat Ctr Elect Vehicles Beijing, Beijing 100081, Peoples R China
关键词
Li-ion battery; PTC self-heating; thermal modeling; thermal simulation; self-heating experiment;
D O I
10.1016/j.egypro.2016.12.012
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Positive Temperature Coefficient(PTC) self-heating method of battery and experiment researches are conducted in this paper; the model of discharge internal heating and the model of PTC heating for battery are established; analyses of the internal and external heat characteristics of the battery and self-heating temperature field distribution of the battery are carried out. The accuracy of those models are verified by implementing the self-heating experiments. The discharge tests are carried out under the extreme low temperature and the results show that charge and discharge rate, capacity recovery are much better than that of external-supplied power heating. (C) 2016 Published by Elsevier Ltd.
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页码:62 / 67
页数:6
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