Amorphous silicon anode for lithium-ion rechargeable batteries

被引：225

作者：

Jung, HJ ^{[1
]}

Park, M ^{[1
]}

Yoon, YG ^{[1
]}

Kim, GB ^{[1
]}

Joo, SK ^{[1
]}

机构：

[1] Seoul Natl Univ, Sch Mat Sci & Engn, Seoul 151744, South Korea

来源：

JOURNAL OF POWER SOURCES | 2003年 / 115卷 / 02期

关键词：

lithium-ion batteries; anode; silicon; thin film; cycling performance;

D O I：

10.1016/S0378-7753(02)00707-3

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：

Amorphous silicon is investigated as a negative electrode (anode) material for lithium-ion batteries. A thin (500 Angstrom) film of amorphous silicon is cycled versus a lithium electrode. A maximum discharge capacity of 4 Ah g(-1) is observed by cycling over a voltage window of 0-3 V, but capacity fading is rapid after 20 cycles. This capacity fading can be overcome, to more than 400 cycles, by changing the lower voltage limit to 0.2 V In this situation, the discharge capacity is about 400 mAh g(-1). (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：346 / 351

页数：6

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