Pd/MnO2 Air Electrode Catalyst for Rechargeable Lithium/Air Battery

被引：135
|
作者：
Thapa, Arjun Kumar [1 ]
Saimen, Kazuki [1 ]
Ishihara, Tatsumi [1 ]
机构：
[1] Kyushu Univ, Fac Engn, Dept Appl Chem, Fukuoka 8190395, Japan
来源：
ELECTROCHEMICAL AND SOLID STATE LETTERS | 2010年 / 13卷 / 11期
关键词：
LITHIUM/OXYGEN BATTERY;
D O I：
10.1149/1.3481762
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
The oxidation of a carbon binder that occurred during a charge in a carbon-MnO2 air electrode for a Li-air battery resulted in an excessively high charge potential of 4.2 V. The air electrode activity for the Li-air battery was studied on various metals or metal oxides and the mixture of Pd and MnO2 shows the high activity to oxidation and reduction of Li to form Li2O2 or Li2O, respectively. Although the discharge capacity decreased, the application of Pd/MnO2 without a carbon binder for the air electrode is effective to decrease the charge potential and to improve the energy efficiency from 60 to 89%. (C) 2010 The Electrochemical Society. [DOI: 10.1149/1.3481762] All rights reserved.
引用
收藏
页码：A165 / A167
页数：3
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