Quartz crystal microbalance study of lithium deposition and dissolution in nonaqueous electrolyte with hydrofluoric acid

被引：13

作者：

Kanamura, K ^{[1
]}

Shiraishi, S

Takehara, Z

机构：

[1] Tokyo Metropolitan Univ, Grad Sch Engn, Dept Appl Chem, Hachioji, Tokyo 1920397, Japan

[2] Gunma Univ, Fac Engn, Dept Chem, Kiryu, Gumma 3768515, Japan

[3] Kansai Univ, Fac Engn, Dept Chem Engn, Suita, Osaka 5648680, Japan

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2000年 / 147卷 / 06期

关键词：

D O I：

10.1149/1.1393487

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The irreversible consumption of lithium during deposition and dissolution in nonaqueous electrolytes with a small amount of hydrofluoric acid was studied by an electrochemical in situ quartz crystal microbalance technique. II was found that lithium is not only consumed by chemical reactions with the electrolyte during deposition, but is also lost during dissolution. This result is strong ly related to breakdown of the surface film formed on lithium during the deposition process. From the experimental data, it is concluded that the stability of the surface film on lithium metal during dissolution is a key requirement for high coulombic efficiency of lithium metal deposition and dissolution, (C) 2000 The Electrochemical Society. S0013-4651(99)12-020-2. All rights reserved.

引用

页码：2070 / 2075

页数：6

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