Lithium insertion/extraction mechanism in alloy anodes for lithium-ion batteries

被引：309

作者：

Zhang, Wei-Jun ^{[1
]}

机构：

[1] Virginia Commonwealth Univ, Dept Mech Engn, Richmond, VA 23284 USA

来源：

JOURNAL OF POWER SOURCES | 2011年 / 196卷 / 03期

关键词：

Batteries; Alloy anodes; Reaction mechanism; Phase transformation; Particle size; X-RAY-DIFFRACTION; THIN-FILM ANODES; IN-SITU; NEGATIVE ELECTRODE; HIGH-CAPACITY; ELECTROCHEMICAL CHARACTERISTICS; INTERMETALLIC-COMPOUND; COMPOSITE ANODES; MISCIBILITY GAP; RATE CAPABILITY;

D O I：

10.1016/j.jpowsour.2010.08.114

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 electrochemical performance of alloy anodes has been reviewed in a previous paper [1]. In this work, the fundamental understanding of lithium-insertion/extraction mechanism in alloy anodes is discussed. The article summarizes the different types of lithium-reaction processes observed in Si, Sn, Sb, Al, Mg and their alloys, with particular emphasis on the characteristics unique to alloy anodes, including the sloping voltage profiles, lithiation amorphization, cycling hysteresis and reaction-potential depression. These unique characteristics are discussed with respect to the effect of interface and surface energies on the phase transformation and thermodynamic stability of fine alloy particles. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：877 / 885

页数：9

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