Effect of Humidity on Properties of Lithium-ion Batteries

被引：9
|
作者：
Han, Xiao [1 ]
Xia, Saisai [1 ]
Cao, Jie [1 ]
Wang, Chris [1 ]
Chen, Ming-gong [1 ]
机构：
[1] Anhui Univ Sci & Technol, Sch Earth & Environm, Huainan 232001, Anhui, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2021年 / 16卷 / 05期
关键词：
Excess moisture; Lithium-ion battery; Imperfect solid electrolyte interface; Direct current resistance; ELECTROCHEMICAL PROPERTIES; NANOSHEETS; ANODE; SEI; TEMPERATURE; PERFORMANCE;
D O I：
10.20964/2021.05.54
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
A study was performed to determine the cause of abnormal direct current resistance (DCR) during high-temperature storage of a commercialized lithium-ion battery (1C=50 Ah) designed for an electrical vehicle. Scanning electron microscopy, energy-dispersive X-ray spectroscopy, inductively coupled plasma atomic emission spectroscopy, air permeability measurements and electrochemical impedance spectroscopy were used to analyze batteries with abnormal and normal DCRs. The results of these analyses show that imperfect solid electrolyte interface formation increases the direct current resistance. This imperfection results from the presence of excessive moisture during battery production.
引用
收藏
页码：1 / 10
页数：10
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