A Polymer Layer of Switchable Resistance for the Overcharge Protection of Lithium-Ion Batteries

被引：5

作者：

Beletskii, E., V ^{[1
]}

Kal'nin, A. Yu ^{[1
]}

Luk'yanov, D. A. ^{[1
]}

Kamenskii, M. A. ^{[1
]}

Anishchenko, D., V ^{[1
]}

Levin, O., V ^{[1
]}

机构：

[1] St Petersburg State Univ, Inst Chem, St Petersburg, Russia

来源：

RUSSIAN JOURNAL OF ELECTROCHEMISTRY | 2021年 / 57卷 / 10期

基金：

俄罗斯科学基金会;

关键词：

conducting polymers; cathode with the positive temperature coefficient; safe cathode for lithium-ion battery; battery protection from overcharge; battery protection from short-circuit; ELECTROLYTE ADDITIVES; LI-ION; REDOX SHUTTLE; SAFETY; ISSUES;

D O I：

10.1134/S1023193521100050

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The polymer layer based on a nickel complex with salen-type ligand is proposed for protecting rechargeable lithium-ion batteries from overcharge. This polymer has a switchable resistance and can pass into the insulator state when the threshold potential is exceeded. This allows avoiding the development of side processes such as electrolyte decomposition on the cathode. The effect of the polymer layer was tested on model systems and on prototypes of lithium-ion batteries.

引用

页码：1028 / 1036

页数：9

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