Electrochemical and thermal behaviour of LiNi0.8Co0.2O2 cathode in sealed 18650 Li-ion cells

被引：18

作者：

Lu, W ^{[1
]}

Lee, CW ^{[1
]}

Venkatachalapathy, R ^{[1
]}

Prakash, J ^{[1
]}

机构：

[1] IIT, Dept Environm Chem & Engn, Ctr Electrochem Sci & Engn, Chicago, IL 60616 USA

来源：

JOURNAL OF APPLIED ELECTROCHEMISTRY | 2000年 / 30卷 / 10期

关键词：

accelerated rate calorimetry; area specific impedance; differential scanning calorimetry; Li-ion cell; LiNi0.8Co0.2O2; cathodes;

D O I：

10.1023/A:1004043212325

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The electrochemical performance of LiNi0.8Co0.2O2 cathodes in Li ion cells was investigated under static and dynamic load conditions, which prevail in 'electric and hybrid vehicles' using 'constant current constant voltage and 'hybrid pulse power characteristic' procedures. The thermal properties of this cathode were investigated using the differential scanning calorimetric and accelerated rate calorimetric techniques. The cell fabricated with a LiNi0.8Co(0).2O(2) cathode showed excellent power performance. The specific energy produced by the 18650 cell was 90 Wh kg(-1) at 100 W kg(-1) power level.

引用

页码：1119 / 1124

页数：6

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