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Mapping structure-composition-property relationships in V- and Fe-Doped LiMnPO4 cathodes for lithium-Ion batteries

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Johnson, Ian D., Loveridge, Melanie, Bhagat, Rohit and Darr, Jawwad Arshad (2016) Mapping structure-composition-property relationships in V- and Fe-Doped LiMnPO4 cathodes for lithium-Ion batteries. ACS Combinatorial Science, 18 (11). pp. 665-672. doi:10.1021/acscombsci.6b00035 ISSN 2156-8952.

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Official URL: http://doi.org/10.1021/acscombsci.6b00035

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Abstract

A series of LiMn1−x−yFexVyPO4 (LMFVP) nanomaterials have been synthesized using a pilot-scale continuous hydrothermal synthesis process (CHFS) and evaluated as high voltage cathodes in Liion batteries at a production rate of 0.25 kg h−1. The rapid synthesis and screening approach has allowed the specific capacity of the high Mn content olivines to be optimized, particularly at high discharge rates. Consistent and gradual changes in the structure and performance are observed across the compositional region under investigation; the doping of Fe at 20 at% (with respect to Mn) into lithium manganese phosphate, rather than V or indeed codoping of Fe and V, gives the best balance of high capacity and high rate performance

Item Type: Journal Article
Subjects: Q Science > QD Chemistry
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group)
Library of Congress Subject Headings (LCSH): Lithium ion batteries, Nanostructured materials, Cathodes
Journal or Publication Title: ACS Combinatorial Science
Publisher: American Chemical Society
ISSN: 2156-8952
Official Date: 15 September 2016
Dates:
DateEvent
15 September 2016Published
14 March 2016Accepted
Volume: 18
Number: 11
Page Range: pp. 665-672
DOI: 10.1021/acscombsci.6b00035
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access (Creative Commons)
Copyright Holders: American Chemical Society
Date of first compliant deposit: 17 February 2017
Date of first compliant Open Access: 17 February 2017
Funder: Engineering and Physical Sciences Research Council (EPSRC), Warwick Manufacturing Group
Grant number: EP/ M009394/1 (EPSRC)

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