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Wiley, Angewandte Chemie International Edition, 28(50), p. 6351-6355, 2011

DOI: 10.1002/anie.201100879

Wiley, Angewandte Chemie, 28(123), p. 6475-6479, 2011

DOI: 10.1002/ange.201100879

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Oxygen Reactions in a Non-Aqueous Li+ Electrolyte

Journal article published in 2011 by Zhangquan Peng, Stefan A. Freunberger, Laurence J. Hardwick ORCID, Yuhui Chen, Vincent Giordani, Fanny Bardé, Petr Novák, Duncan Graham, Jean-Marie Tarascon, Peter G. Bruce
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

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.