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Redox chemistry and the role of trapped molecular O2 in li-rich disordered rocksalt oxyfluoride cathodes

Abstract:

In the search for high energy density cathodes for next-generation lithium-ion batteries, the disordered rocksalt oxyfluorides are receiving significant attention due to their high capacity and lower voltage hysteresis compared with ordered Li-rich layered compounds. However, a deep understanding of these phenomena and their redox chemistry remains incomplete. Using the archetypal oxyfluoride, Li2MnO2F, we show that the oxygen redox process in suc...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1021/jacs.0c10270

Authors


More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
ORCID:
0000-0002-7415-477X
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
ORCID:
0000-0002-6765-3044
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
ORCID:
0000-0003-3004-199X
More from this funder
Name:
Engineering & Physical Sciences Research Council
Grant:
EP/M009521/1
ESZ1700027
Publisher:
American Chemical Society
Journal:
Journal of the American Chemical Society More from this journal
Volume:
142
Issue:
52
Pages:
21799-21809
Publication date:
2020-12-15
Acceptance date:
2020-12-15
DOI:
EISSN:
1520-5126
ISSN:
0002-7863
Pmid:
33321041
Language:
English
Keywords:
Pubs id:
1150906
Local pid:
pubs:1150906
Deposit date:
2021-02-16

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