Mapping Structure-Composition-Property Relationships in V- and Fe-Doped LiMnPO4 Cathodes for Lithium-Ion Batteries

Ian D. Johnson, Melanie Loveridge, Rohit Bhagat, Jawwad A. Darr

Research output: Contribution to journalArticle

14 Citations (Scopus)
9 Downloads (Pure)

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 Li-ion 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.

Original languageEnglish
Pages (from-to)665-672
Number of pages8
JournalACS Combinatorial Science
Volume18
Issue number11
Early online date15 Sep 2016
DOIs
Publication statusPublished - 14 Nov 2016
Externally publishedYes

Bibliographical note

This is an open access article published under a Creative Commons Attribution (CC-BY) License, which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited.

Keywords

  • cathode
  • continuous hydrothermal synthesis
  • doped LMP
  • high energy
  • lithium-ion battery

ASJC Scopus subject areas

  • Chemistry(all)

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