Research on overcharge and overdischarge effect on lithium-ion batteries

被引：0

作者：

Wu, Chao ^{[1
,2
]}

Sun, Jinlei ^{[1
]}

Zhu, Chunbo ^{[1
]}

Ge, Yunwang ^{[2
]}

Zhao, Yongping ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Elect Engn & Automat, Harbin 150006, Peoples R China

[2] Luoyang Inst Sci & Technol, Dept Elect Engn, Luoyang, Peoples R China

来源：

2015 IEEE VEHICLE POWER AND PROPULSION CONFERENCE (VPPC) | 2015年

关键词：

lithium ion phosphate batteries; overcharge; overdischarge; abuse behavior; fault diagnosis; MECHANISM; BEHAVIOR; DESIGN; SAFETY;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Commercial lithium-ion phosphate batteries were tested to investigate their responses to overcharge and overdischarge conditions. During overcharge tests, cells were charged at 1C successively until certain visual symptom such as gas release or vent burst occurred. While during overdischarge tests, cells were discharged and kept at 0V or even negative polarity. Parameters such as internal temperature, cell voltage and ac impedance were monitored and recorded for analysis of the abusive process. Tested cells presented failures in different levels. Along with the post-disassembly examination and electrochemical analysis, this paper connects the symptoms, effects and consequences of overcharge and overdischarge phenomena and tries to establish the early precaution approach for battery failures to guarantee the safety of battery applications.

引用

页数：6

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