An experimental and first-principle investigation of the Ca-substitution effect on P3-type layered Na: XCoO2

Yuji Ishado, Hirona Hasegawa, Shigeto Okada, Minoru Mizuhata, Hideshi Maki, Masaki Matsui

Research output: Contribution to journalArticle

Abstract

We experimentally and computationally investigated the Ca substitution effect on the electrochemical performance of P3-NaxCoO2. The cycle performance of Ca-substituted NaxCa0.04CoO2 was effectively improved due to its better crystallinity retention after charging. Our DFT calculations suggested that the presence of Ca2+ ions in Na sites kinetically mitigates phase transition. This journal is

Original languageEnglish
Pages (from-to)8107-8110
Number of pages4
JournalChemical Communications
Volume56
Issue number58
DOIs
Publication statusPublished - Jul 25 2020

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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