Oxygen Reactions in a Non‐Aqueous Li +  Electrolyte | Zendy

Peng Zhangquan | Zendy; Freunberger Stefan A. | Zendy; Hardwick Laurence J. | Zendy; Chen Yuhui | Zendy; Giordani Vincent | Zendy; Bardé Fanny | Zendy; Novák Petr | Zendy; Graham Duncan | Zendy; Tarascon JeanMarie | Zendy; Bruce Peter G. | Zendy

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Oxygen Reactions in a Non‐Aqueous Li + Electrolyte

Author(s) -

Peng Zhangquan,

Freunberger Stefan A.,

Hardwick Laurence J.,

Chen Yuhui,

Giordani Vincent,

Bardé Fanny,

Novák Petr,

Graham Duncan,

Tarascon JeanMarie,

Bruce Peter G.

Publication year - 2011

Publication title -

angewandte chemie international edition

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.831

H-Index - 550

eISSN - 1521-3773

pISSN - 1433-7851

DOI - 10.1002/anie.201100879

Subject(s) - electrolyte , aqueous solution , oxygen , electrode , chemistry , content (measure theory) , oxygen evolution , inorganic chemistry , electrochemistry , organic chemistry , mathematics , mathematical analysis

Taking the shortcut : Spectroscopic data (see picture) provide direct evidence that in non‐aqueous Li + electrolyte, O 2 is reduced to O 2 − , which then forms LiO 2 on the electrode surface which disproportionates to Li 2 O 2 . On charging, Li 2 O 2 decomposes directly, in a one‐step reaction to evolve O 2 and does not pass through LiO 2 as an intermediate.

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