Influence of ion exchange conditions on the defect chemistry and performance of cobalt doped layered lithium manganese oxide based intercalation compounds

Alastair D. Robertson, A. Robert Armstrong, Peter G. Bruce

Research output: Contribution to journalArticlepeer-review

19 Citations (Scopus)

Abstract

It is shown that by varying the conditions used to exchange Na by Li in layered sodium manganese oxide based compounds, not only are the guest ions exchanged but the defect chemistry of the host is modified and this has an important effect on the reversibility of lithium intercalation; in particular, defect 2.5% Co doped layered lithium manganese oxide exhibits a capacity to store lithium equivalent to 200 mA h g-1 which fades by only 0.08% per cycle on cycling at 25 mA g-1.
Original languageEnglish
Pages (from-to)1997-1998
Number of pages2
JournalChemical Communications
Issue number20
DOIs
Publication statusPublished - 21 Oct 2000

Keywords

  • chemistry
  • ion exchange
  • lithium manganese oxide

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