Electronic structures of partially fluorinated lithium manganese spinel oxides and their electrochemical properties

Keisuke Matsumoto, Tomokazu Fukutsuka, Toyoki Okumura, Yoshiharu Uchimoto, Koji Amezawa, Minoru Inaba, Akimasa Tasaka

研究成果: Article査読

13 被引用数 (Scopus)

抄録

Partially fluorinated lithium manganese spinel oxides (LiMn1.8Li0.1Ni0.1O4-xFx) were prepared by solid-state reaction. Relationship between the electronic structures of LiMn1.8Li0.1Ni0.1O4-xFx and their electrochemical properties were investigated. X-ray absorption near-edge structure (XANES) of Mn K-edge showed that the absorption edge shifted to lower energy with increasing F- content, which indicated decrease of the Mn average oxidation state. Discharge capacity at first cycle was increased by decrease of the Mn average oxidation state with increasing F- content.

本文言語English
ページ(範囲)599-601
ページ数3
ジャーナルJournal of Power Sources
189
1
DOI
出版ステータスPublished - 2009 4 1

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Energy Engineering and Power Technology
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

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