Preparation of LiCoO2 and LiCo(1-x)Fe(x)O2 using hydrothermal reactions

Mitsuharu Tabuchi, Kazuaki Ado, Hironori Kobayashi, Hikari Sakaebe, Hiroyuki Kageyama, Christian Masquelier, Masao Yonemura, Atsushi Hirano, Ryoji Kanno

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78 Citations (Scopus)

Abstract

Iron doped/undoped LiCoO2 powders could be obtained from hydrothermal reactions of either Fe3+ or Co3+ containing co-precipitates or a CoCl2- NaOH-NaClO3 (oxidant) mixture with an excess amount of LiOH·H2O at 220 °C for 8-48 h. The LiFe(x)Co(1 - x)O2 solid-solution maintained a layered rock- salt structure until x = 0.25. 57Fe Mossbauer and Co K-edge XANES spectra and magnetic susceptibility data reveal that iron and cobalt in the solid solution are in high-spin Fe3+ (S = 5/2) and low-spin Co3+ (S = 0) configurations.

Original languageEnglish
Pages (from-to)199-204
Number of pages6
JournalJournal of Materials Chemistry
Volume9
Issue number1
DOIs
Publication statusPublished - 1999
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Chemistry

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