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A rechargeable lithium-O2 battery with dual mediators stabilising the carbon cathode

Abstract:

At the cathode of a Li-O2 battery, O2 is reduced to Li2O2 on discharge, the process being reversed on charge. Li2O2 is an insulating and insoluble solid, leading ultimately to low rates, low capacities and early cell death if formed on the electrode surface, problems overcome by forming/decomposing Li2O2 from solution. A Li-O2 cell is described that decouples completely the electrochemistry at the cathode surface from Li2O2 formation/decomposition. Mediators on discharge (2,5-Di-tert-butyl...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1038/nenergy.2017.118

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Department:
Oxford, MPLS, Materials
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Department:
Oxford, MPLS, Materials
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Department:
Oxford, MPLS, Materials
Jovanov, Z More by this author
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Department:
St Edmund Hall
Publisher:
Nature Publishing Group Publisher's website
Journal:
Nature Energy Journal website
Volume:
2
Pages:
17118
Publication date:
2017-07-05
Acceptance date:
2017-05-09
DOI:
EISSN:
1520-8524
ISSN:
0001-4966
Pubs id:
pubs:693968
URN:
uri:f8680576-3f3f-44fc-b9cf-8ba96b82b68a
UUID:
uuid:f8680576-3f3f-44fc-b9cf-8ba96b82b68a
Local pid:
pubs:693968

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