In-Plane Vacancy-Enabled High-Power Si-Graphene Composite Electrode for Lithium-Ion Batteries

被引：384

作者：

Zhao, Xin ^{[1
]}

Hayner, Cary M. ^{[1
]}

Kung, Mayfair C. ^{[1
]}

Kung, Harold H. ^{[1
]}

机构：

[1] Northwestern Univ, Dept Chem & Biol Engn, Evanston, IL 60208 USA

来源：

ADVANCED ENERGY MATERIALS | 2011年 / 1卷 / 06期

关键词：

energy storage; graphene; graphenic scaffold; Li-ion batteries; silicon; PERFORMANCE; SILICON; CAPACITY; ANODE; REDUCTION; FILMS;

D O I：

10.1002/aenm.201100426

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：

Introducing a high density of in-plane, nanometer-sized carbon vacancies in graphene sheets greatly enhances ion diffusion across the sheets in a Si-graphene composite. The flexible, self-supporting three-dimensional conducting graphenic scaffold incorporating Si nanoparticles exhibit excellent rate performance and tolerance to structural deformation, which represents an attractive high power-high capacity anode material for Li-ion batteries.

引用

页码：1079 / 1084

页数：6

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