Enhanced electrochemical performance of porous NiO-Ni nanocomposite anode for lithium ion batteries

被引：178

作者：

Li, Xifei ^{[1
]}

Dhanabalan, Abirami ^{[1
]}

Wang, Chunlei ^{[1
]}

机构：

[1] Florida Int Univ, Dept Mech & Mat Engn, Miami, FL 33174 USA

来源：

JOURNAL OF POWER SOURCES | 2011年 / 196卷 / 22期

关键词：

Porous; NiO-Ni; Nanocomposite; Anode; Lithium ion batteries; Cycle performance; Rate capability; NICKEL ACETATE TETRAHYDRATE; ELECTRODE MATERIALS; HIGH-CAPACITY; BINDER-FREE; NANOPARTICLES; DECOMPOSITION; REACTIVITY; INTERCALATION; COMPOSITE;

D O I：

10.1016/j.jpowsour.2011.06.097

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 nickel foam-supported porous NiO-Ni nanocomposite synthesized by electrostatic spray deposition (ESD) technique was investigated as anodes for lithium ion batteries. This anode was demonstrated to exhibit improved cycle performance as well as good rate capability. Ni particles in the composites provide a highly conductive medium for electron transfer during the conversion reaction of NiO with Li+ and facilitate a more complete decomposition of Li2O during charge with increased reversibility of conversion reaction. Moreover, the obtained porous structure is benefical to buffering the volume expansion/constriction during the cycling. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：9625 / 9630

页数：6

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