The interaction between SnO anode and electrolytes

被引：38

作者：

Li, JZ ^{[1
]}

Li, H ^{[1
]}

Wang, ZX ^{[1
]}

Huang, XJ ^{[1
]}

Chen, LQ ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Phys, Lab Solid State Ion, Beijing 100080, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 1999年 / 81卷

基金：

中国国家自然科学基金;

关键词：

SnO anode; electrolyte; passivating film; FTIR; cyclic voltammogram;

D O I：

10.1016/S0378-7753(99)00263-3

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：

The electrochemical behaviors of nano-sized SnO anode in several electrolytes have been investigated. The SnO anode matched with 1 M LiPF6 dissolved in ethylene cardonate/diethyl carbonate (EC/DEC) (1:1 v/v) shows the best performance. The discharge capacity at the Ist cycle reaches 1160 mA h/g. After 10 cycles, half of the initial capacity has been maintained. The cycling behaviors of SnO in other electrolytes, especially in PC based electrolytes, are rather poor; The FTIR results of SnO in PC and EC based electrolytes at discharged state confirmed Chat a passivating film composed of Li2CO3 and ROCO2Li is formed on the surface of SnO anode. it indicates that the cyclic performance of SnO anode is strongly influenced by the properties of the surface film. (C) 1999 Elsevier Science S.A. All rights reserved.

引用

页码：346 / 351

页数：6

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