Enhanced cycle ability of spinel LiMn 2O 4 by controlling the phase purity and structural strain

Jinhan Yao, Chaoqi Shen, Pinjie Zhang, Duncan H. Gregory, Lianbang Wang

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

By applying the annealing step during the solid-state synthesis, well-crystallized spinel LiMn 2O 4 with high phase purity was fabricated. The sensitive effect of heating procedure on the structural and electrochemical properties of LiMn 2O 4 product was investigated. It was found that preheat-treatment-calcinations-annealing process can effectively eliminate the impurity phase. The post-annealing process also leads to a better crystalline and suitable strain for the LiMn 2O 4 product, which contributes to the enhanced cycling performance.

Original languageEnglish
Pages (from-to)1390-1395
Number of pages6
JournalJournal of Physics and Chemistry of Solids
Volume73
Issue number11
DOIs
Publication statusPublished - Nov 1 2012

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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