大容量锂离子动力电池热特性的实验研究

被引:26
作者
任保福
贾力
张竹茜
谭泽涛
机构
[1] 北京交通大学机电学院热能工程研究所
关键词
锂离子动力电池; 热特性; 发热机理; 内阻; 熵变;
D O I
暂无
中图分类号
TM912 [蓄电池];
学科分类号
080802 [电力系统及其自动化];
摘要
热安全性制约了大容量锂离子动力电池的推广,了解大容量锂离子电池工作中的热特性对于解决其安会性具有重要的意义.本史实验研究了单体大容量锂离子动力电池在不同工况下的热特性,并且测量了工作中电池的内阻和熵变,进而从电池发热机理的角度分析讨论讨论了不同因素如何引起电池热特性发生变化.研究发现,充放电倍率和环境温度通过影响电池内阻和熵变来改变电池的热特性.
引用
收藏
页码:2120 / 2123
页数:4
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