The role of AlF 3 coatings in improving electrochemical cycling of Li-enriched nickel-manganese oxide electrodes for Li-ion batteries

Yang Kook Sun, Min Joon Lee, Chong S. Yoon, Jusef Hassoun, Khalil Amine, Bruno Scrosati

Research output: Contribution to journalArticle

494 Scopus citations

Abstract

A Li[Li 0.19Ni 0.16Co 0.08Mn 0.57]O 2 cathode was coated with AlF 3 on the surface. The AlF 3-coating enhanced the overall electrochemical characteristics of the electrode while overcoming the typical shortcomings of lithium-enriched cathodes. This improvement was attributed to the transformation of the initial electrode layer to a spinel phase, induced by the Li chemical leaching effect of the AlF 3 coating layer.

Original languageEnglish
Pages (from-to)1192-1196
Number of pages5
JournalAdvanced Materials
Volume24
Issue number9
DOIs
StatePublished - 2012 Mar 2

Keywords

  • AlF coatings
  • cathode materials
  • electrochemical cycling
  • lithium batteries

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