Improving the performance of graphite anodes in rechargeable lithium batteries

被引：11

作者：

Coowar, F ^{[1
]}

Christie, AM ^{[1
]}

Bruce, PG ^{[1
]}

Vincent, CA ^{[1
]}

机构：

[1] Univ St Andrews, Sch Chem, St Andrews KY16 9ST, Fife, Scotland

来源：

JOURNAL OF POWER SOURCES | 1998年 / 75卷 / 01期

基金：

英国工程与自然科学研究理事会;

关键词：

graphite; lithium-ion battery; pyrocarbonate;

D O I：

10.1016/S0378-7753(98)00110-4

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A low cost graphite was examined as a negative electrode for rechargeable Lithium batteries. The use of an electrolyte solution consisting of LiPF6 (1 mol dm(-3)) in ethylene carbonate (EC) and dimethyl carbonate (DMC) at a volume ratio of 2:1 resulted in a capacity loss of 35% on the first cycle. When small quantities of dimethyl pyrocarbonate (DMPC) were added to the binary electrolyte system, the capacity loss on the first cycle was only 18% and thereafter a practical capacity value of 357 mA h g(-1) was sustained for more than 50 cycles, representing more than 2000 h of cycling. (C) 1998 Elsevier Science S.A. All rights reserved.

引用

页码：144 / 150

页数：7

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