Issue 4, 2003
From the journal:

Journal of Materials Chemistry

Charge–discharge reaction mechanism of manganese molybdenum vanadium oxide as a high capacity anode material for Li secondary battery

Daishu Hara,a   Junichi Shirakawa,a   Hiromasa Ikuta,a   Yoshiharu Uchimoto,a   Masataka Wakihara,*a   Takafumi Miyanagab  and  Iwao Watanabec  

* Corresponding authors

a Department of Applied Chemistry, Graduate School of Science and Engineering, Tokyo Institute of Technology, 2-12-1, Okayama, Meguro-ku, 152-8552 Tokyo, Japan
E-mail: mwakihar@o.cc.titech.ac.jp
Fax: +81 3 5734 2146
Tel: + 81 3 5734 2145

b Department of Materials Science and Technology, Faculty of Science and Technology, Hirosaki University, Hirosaki, Aomori 036-8651, Japan

c Faculty of Science, Osaka Women's University, 2-1 Daisan-cho, Sakai, Osaka 590-0035, Japan

Abstract

The compound system, Mn1−xMo2xV2(1−x)O6 (0 ≤ x ≤ 0.4), synthesized by solid state reaction forms the brannerite structure. The electrochemical reaction mechanism as the anode for Li secondary batteries was investigated. X-ray diffraction (XRD) analysis clearly indicated that Mn0.6Mo0.8V1.2O6 anode irreversibly transformed from crystalline brannerite to amorphous phase via a rock-salt type structure during the first lithium insertion/removal reaction. The charge compensation and the change in the local environmental structure during the Li insertion/removal were confirmed by X-ray absorption fine structure (XAFS) of manganese, vanadium and molybdenum.

Graphical abstract: Charge–discharge reaction mechanism of manganese molybdenum vanadium oxide as a high capacity anode material for Li secondary battery

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Article information

DOI
https://doi.org/10.1039/B210614K
Article type
Paper
Submitted
28 Oct 2002
Accepted
22 Jan 2003
First published
14 Feb 2003

J. Mater. Chem., 2003,13, 897-903

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Charge–discharge reaction mechanism of manganese molybdenum vanadium oxide as a high capacity anode material for Li secondary battery

D. Hara, J. Shirakawa, H. Ikuta, Y. Uchimoto, M. Wakihara, T. Miyanaga and I. Watanabe, J. Mater. Chem., 2003, 13, 897 DOI: 10.1039/B210614K

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