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

被引：24

作者：

Hara, D

Shirakawa, J

Ikuta, H

Uchimoto, Y

Wakihara, M

Miyanaga, T

Watanabe, I

机构：

[1] Tokyo Inst Technol, Dept Appl Chem, Grad Sch Engn Sci, Meguro Ku, Tokyo 1528552, Japan

[2] Hirosaki Univ, Dept Mat Sci & Technol, Fac Sci & Technol, Hirosaki, Aomori 0368651, Japan

[3] Osaka Womens Univ, Fac Sci, Osaka 5900035, Japan

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2003年 / 13卷 / 04期

关键词：

D O I：

10.1039/b210614k

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The compound system, Mn1-xMo2xV2(1-x)O6 (0 less than or equal to x less than or equal to 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.

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页码：897 / 903

页数：7

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