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Kinetics of lithium peroxide oxidation by redox mediators and consequences for the lithium-oxygen cell

Abstract:

Lithium–oxygen cells in which lithium peroxide forms in solution rather than on the electrode surface, can sustain relatively high cycling rates but require redox mediators to charge. The mediators are oxidised at the electrode surface and then oxidise lithium peroxide stored in the cathode. The kinetics of lithium peroxide oxidation has received almost no attention and yet are crucial for operation of the lithium–oxygen cell. It is essential that the molecules oxidise lithium peroxide suffic...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1038/s41467-018-03204-0

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More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Materials
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Materials
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Materials
Oxford college:
St Edmund Hall
Role:
Author
Publisher:
Springer Nature Publisher's website
Journal:
Nature Communications Journal website
Volume:
9
Pages:
Article: 767
Publication date:
2018-02-22
Acceptance date:
2018-01-29
DOI:
EISSN:
2041-1723
ISSN:
2041-1723
Pubs id:
pubs:822880
URN:
uri:c23a0cc0-55b5-455f-bb68-a14d8ea2e3bc
UUID:
uuid:c23a0cc0-55b5-455f-bb68-a14d8ea2e3bc
Local pid:
pubs:822880

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