Oxygen Reactions in a Non-Aqueous Li+ Electrolyte

被引：526

作者：

Peng, Zhangquan ^{[1
]}

Freunberger, Stefan A. ^{[1
]}

Hardwick, Laurence J. ^{[1
]}

Chen, Yuhui ^{[1
]}

Giordani, Vincent ^{[1
,2
]}

Barde, Fanny ^{[3
]}

Novak, Petr ^{[4
]}

Graham, Duncan ^{[5
]}

Tarascon, Jean-Marie ^{[2
]}

Bruce, Peter G. ^{[1
]}

机构：

[1] Univ St Andrews, Sch Chem, St Andrews KY16 9ST, Fife, Scotland

[2] Univ Picardie Jules Verne, Lab React & Chim Solides, UMR 6007, F-80039 Amiens, France

[3] Toyota Motor Europe, Ctr Tech, B-1930 Zaventem, Belgium

[4] Paul Scherrer Inst, Electrochem Lab, CH-5232 Villigen, Switzerland

[5] Univ Strathclyde, Dept Pure & Appl Chem, Glasgow G1 1XL, Lanark, Scotland

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2011年 / 50卷 / 28期

基金：

英国工程与自然科学研究理事会;

关键词：

electrochemistry; lithium batteries; oxygen; reduction; surface enhanced Raman spectroscopy; TEMPERATURE IONIC LIQUIDS; AIR BATTERIES; LITHIUM; ELECTROREDUCTION; RAMAN; O-2; ELECTROCHEMISTRY; REDUCTION; CATALYST; SPECTRA;

D O I：

10.1002/anie.201100879

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Taking the shortcut: Spectroscopic data (see picture) provide direct evidence that in non-aqueous Li+ electrolyte, O2 is reduced to O2-, which then forms LiO2 on the electrode surface which disproportionates to Li2O2. On charging, Li2O2 decomposes directly, in a one-step reaction to evolve O2 and does not pass through LiO2 as an intermediate. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：6351 / 6355

页数：5

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