Electrochemical behavior of LiFePO₄ in aqueous lithium hydroxide electrolyte

Minakshi Manickam, Pritam Singh, Touma B. Issa, Stephen Thurgate, Kathryn Prince

Research output: Contribution to journalArticle

Abstract

The electrochemistry of olivine-type iron phosphate (FePO₄) as a battery cathode material, in aqueous lithium hydroxide (LiOH), has been investigated. The material forms intercalated LiFePO₄ reversibly on electroreduction/oxidation. The formation of Fe₃O₄ phase, in addition to the regeneration of FePO₄ during reverse oxidation of LiFePO₄, also occurs. In this regard, the mechanism of FePO₄ discharge/charge in aqueous LiOH differs from that in non-aqueous solvents.
Original languageEnglish
Pages (from-to)271-274
Number of pages4
JournalKey Engineering Materials
Volume320
DOIs
Publication statusPublished - 2006
Externally publishedYes

Keywords

  • iron phosphate
  • aqueous solutions
  • lithium insertion
  • oxidation
  • reduction
  • electrochemistry
  • olivine

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