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Anion redox chemistry in the cobalt free 3D transition metal oxide intercalation electrode Li[Li0.2Ni0.2Mn0.6]O2

Abstract:

Conventional intercalation cathodes for lithium batteries store charge in redox reactions associated with the transition metal cations, e.g. Mn3+/4+ in LiMn2O4, and this limits the energy storage of Li-ion batteries. Compounds such as Li[Li0.2Ni0.2Mn0.6]O2 exhibit a capacity to store charge in excess of the transition metal redox reactions. The additional capacity occurs at and above 4.5 V vs. Li+/Li. The capacity at 4.5 V is dominated by oxidation of the O2- anions accounting for ~0.43 e-/fo...

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

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Publisher copy:
10.1021/jacs.6b05111

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Department:
St Edmund Hall
Role:
Author
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Department:
Oxford, MPLS, Materials
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Author
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Department:
Oxford, MPLS, Materials
Role:
Author
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Department:
Oxford, MPLS, Materials
Role:
Author
More by this author
Department:
Oxford, MPLS, Materials
Role:
Author
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Publisher:
American Chemical Society Publisher's website
Journal:
Journal of the American Chemical Society Journal website
Volume:
138
Issue:
35
Pages:
11211–11218
Publication date:
2016-08-08
DOI:
EISSN:
1520-5126
ISSN:
0002-7863
Pubs id:
pubs:638076
URN:
uri:606673be-f8d4-4127-9f1e-22dea5b3dd36
UUID:
606673be-f8d4-4127-9f1e-22dea5b3dd36
Local pid:
pubs:638076

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