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The role of O2 in O-redox cathodes for Li-ion batteries

Abstract:

The energy density of Li-ion batteries can be improved by storing charge at high voltages through the oxidation of oxide ions in the cathode material. However, oxidising O2- triggers irreversible structural rearrangements in the bulk and an associated loss of the high voltage plateau replacing it with a lower discharge voltage, as well as a loss of O2 accompanied by densification at the surface. Here we consider various models for O-redox proposed in the literature before describing a single ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1038/s41560-021-00780-2

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Publisher:
Springer Nature Publisher's website
Journal:
Nature Energy Journal website
Volume:
6
Issue:
8
Pages:
781-789
Publication date:
2021-03-01
Acceptance date:
2021-01-13
DOI:
ISSN:
2058-7546
Language:
English
Keywords:
Pubs id:
1156289
Local pid:
pubs:1156289
Deposit date:
2021-01-15

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