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High voltage Mg-doped Na0.67Ni0.3xMgxMn0.7O2 (x = 0.05, 0.1) Na-ion cathodes with enhanced stability and rate capability

Abstract:

Magnesium substituted P2-structure Na0.67Ni0.3Mn0.7O2 materials have been prepared by a facile solid-state method and investigated as cathodes in sodium-ion batteries. The Mg-doped materials described here were characterised by X-ray diffraction (XRD), 23Na solid-state nuclear magnetic resonance (SS-NMR) and scanning electron microscopy (SEM). The electrochemical performance of the samples was tested in half cells vs. Na metal at room temperature. The Mg-doped materials operate at a high aver...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1021/acs.chemmater.6b01935

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Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Materials
Role:
Author
Expand authors...
Publisher:
American Chemical Society Publisher's website
Journal:
Chemistry of Materials Journal website
Volume:
28
Issue:
14
Pages:
5087–5094
Publication date:
2016-01-01
Acceptance date:
2016-06-27
DOI:
EISSN:
1520-5002
ISSN:
0897-4756
Source identifiers:
631703
Pubs id:
pubs:631703
UUID:
uuid:abcbd7fd-a532-4848-b86b-bc42a4da4f97
Local pid:
pubs:631703
Deposit date:
2016-07-05

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