Self-assembly of Si/honeycomb reduced graphene oxide composite film as a binder-free and flexible anode for Li-ion batteries

被引：127

作者：

Tang, Hong ^{[1
]}

Tu, Jiang-ping ^{[1
]}

Liu, Xia-yuan ^{[1
]}

Zhang, Yi-jun ^{[1
]}

Huang, Sen ^{[1
]}

Li, Wen-zheng ^{[1
]}

Wang, Xiu-li ^{[1
]}

Gu, Chang-dong ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Mat Sci & Engn, Key Lab Adv Mat & Applicat Batteries Zhejiang Pro, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY A | 2014年 / 2卷 / 16期

关键词：

REVERSIBLE LITHIUM STORAGE; CARBON-COATED SILICON; NEGATIVE ELECTRODE; SI NANOPARTICLES; HIGH-CAPACITY; METAL-OXIDE; PERFORMANCE; SHEETS; NANOCOMPOSITE; HYBRID;

D O I：

10.1039/c3ta15395a

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：

A silicon/honeycomb graphene composite film synthesized by the "breath figure" method is developed as a high-performance anode material for lithium ion batteries. The honeycomb graphene structure can effectively prevent the agglomeration of the silicon nanoparticles, increase the electrical conductivity and reduce the transfer resistance of Li+. The composite film presents a high specific capacity and good cycling stability (1118 mAh g(-1) at 50 mA g(-1) up to 50 cycles), as well as an enhanced rate capability. This approach to prepare such a honeycomb porous structure is a low-cost and facile route for silicon-based anode materials.

引用

收藏

页码：5834 / 5840

页数：7

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