新型锂二次电池阴极材料Li(Al0.3Co0.)O 2的充放电特性

Charge-discharge Character of a New Cathode MaterialLi(Al_xCo_1-x)O₂ of Rechargeable Lithium Battery

HAO Wan-jun^1,2, LI Chang¹, XU Xiao-Guang^{1, CHEN Gang¹, XU Wu²}

1. College of Materials Science and Technology, Key Laboratory for Automobile Materials of Educational Ministry,Jilin University, Changchun 130023, China;2. Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Science, Changchun 130023, China

Received:2001-12-06 Revised:1900-01-01 Online:2002-04-26 Published:2002-04-26
Contact: HAO Wan-jun

Abstract

Abstract: The charge-discharge characters of a new cathode mater ial with a high energy storage density, Li(Al_xCo_1-x )O₂, were i nvestigated and compared with those of the traditional cathode material, LiCoO2, which was prepared under the same conditions. The results show th at Li(Al_xCo_1-x)O₂ sintered at 700 ℃ h as a higher charge-discharge flat p otential plateau, and a higher capacity than LiCoO₂ has under the same conditions.

Key words: rechargeable lithium batteries, cathode materials, Li(Al_xCo_1-x)O₂, charge-discharge ch aracter

CLC Number:

O614

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HAO Wan-jun, LI Chang, XU Xiao-Guang, CHEN Gang, XU Wu. Charge-discharge Character of a New Cathode MaterialLi(Al_xCo_1-x)O₂ of Rechargeable Lithium Battery[J].J4, 2002, 40(02): 179-182.

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http://xuebao.jlu.edu.cn/lxb/EN/Y2002/V40/I02/179

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Charge-discharge Character of a New Cathode MaterialLi(AlxCo1-x)O2 of Rechargeable Lithium Battery

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Charge-discharge Character of a New Cathode MaterialLi(Al_xCo_1-x)O₂ of Rechargeable Lithium Battery