Lithium insertion reactions of spinels: Effect of the distribution and reducibility of cations in selected manganite and zinc spinels

C. J. Chen, M. Greenblatt, J. V. Waszczak

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31 Scopus citations

Abstract

Lithium insertion reactions by n-BuLi and electrochemical techniques of various MMn2O4, M=Zn2+, Ni2+, Cd2+ compounds demonstrate that upon lithium insertion Mn3+ is reduced to Mn2+ and the cooperative Jahn-Teller effect present in the tetragonal host spinels is absent in their lithiated analoques as indicated by the tetragonal to cubic structural transformation that occurs. These studies and similar lithium insertion reactions of ZnB2O4, B=Co3+, Cr3+, [Fe3+Mn3+]0.5 show that an important factor in the extent and kinetics of lithium insertion reactions in spinels is the ease of the reducibility of the transition metal cations.

Original languageEnglish (US)
Pages (from-to)609-619
Number of pages11
JournalMaterials Research Bulletin
Volume21
Issue number5
DOIs
StatePublished - May 1986

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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