Electrochemical comparison of chemically or physically modified natural graphite anode for lithium-ion batteries

被引：0
|
作者：
Shim, Joongpyo [1 ]
Lee, Hong-Ki [2 ]
Song, Byung-Ho [1 ]
机构：
[1] Kunsan Natl Univ, Sch Mat & Chem Eng, Chonbuk 573791, South Korea
[2] Univ Wanju, Dept Chem Engn\, Chonbuk 565791, South Korea
来源：
ADVANCES IN NANOMATERIALS AND PROCESSING, PTS 1 AND 2 | 2007年 / 124-126卷
关键词：
lithium battery; anode; natural graphite;
D O I：
10.4028/www.scientific.net/SSP.124-126.995
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Natural graphite anodes were treated by different methods to improve their cyclability. We tried following methods; heat-treatment at 550 degrees C for graphite powder, addition of carbon black for electrode and VC (vinylene carbonate) in electrolyte. All methods decreased capacity fade rate during constant cycling. The addition of carbon black decreased capacity fade significantly but increased irreversible capacity much at first cycle. Heat-treatment and VC were also effective for cycling and irreversible capacity loss.
引用
收藏
页码：995 / +
页数：2
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