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

被引：55

作者：

Hara, D

Shirakawa, J

Ikuta, H

Uchimoto, Y

Wakihara, M

Miyanaga, T

Watanabe, I

机构：

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

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

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

来源：

JOURNAL OF MATERIALS CHEMISTRY | 2002年 / 12卷 / 12期

关键词：

D O I：

10.1039/b206255k

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：

Crystalline MnV2O6 with brannerite structure was synthesized by a classical solid-state reaction and its electrochemical reaction mechanism as an anode for a Li secondary battery was investigated. The reversible capacity of the MnV2O6 anode during the first cycle was about 670 A h kg(-1). An irreversible structural transformation into an amorphous phase via a rock-salt type structure was observed during the first Li insertion/removal reaction by X-ray diffraction (XRD) analysis. 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 Mn and V.

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页码：3717 / 3722

页数：6

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