Porous reduced graphene oxide sheet wrapped silicon composite fabricated by steam etching for lithium-ion battery application

被引：139

作者：

Tang, H. ^{[1
,2
]}

Zhang, J. ^{[3
]}

Zhang, Y. J. ^{[1
,2
]}

Xiong, Q. Q. ^{[1
,2
]}

Tong, Y. Y. ^{[1
,2
]}

Li, Y. ^{[1
,2
]}

Wang, X. L. ^{[1
,2
]}

Gu, C. D. ^{[1
,2
]}

Tu, J. P. ^{[1
,2
]}

机构：

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

[2] Zhejiang Univ, Sch Mat Sci & Engn, Hangzhou 310027, Zhejiang, Peoples R China

[3] Zhejiang Normal Univ, Inst Phys Chem, Key Lab, Minist Educ Adv Catalysis Mat, Jinhua 321004, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2015年 / 286卷

关键词：

Silicon; Reduced graphene oxide; Steam etching; In-situ transmission electron microscopy; Lithium-ion battery; PERFORMANCE ANODE MATERIALS; SINGLE-CRYSTAL SILICON; BINDER-FREE ANODE; IN-SITU TEM; HIGH-CAPACITY; ELECTROCHEMICAL STABILITY; NANOCOMPOSITE ANODE; FACILE SYNTHESIS; NANOPARTICLES; STORAGE;

D O I：

10.1016/j.jpowsour.2015.03.185

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 novel of Si/porous reduced graphene oxide (rGO) composite is fabricated by steam etching of Si/rGO aerogel. The rGO sheets with nano-holes build a unique three-dimensional porous network and can encapsulate the Si nanoparticles. The porous structure of Si/rGO composite can reduce the transfer distance of Li ions and restrain the aggregation and destruction of Si particles. The in-situ transmission electron microscopy (TEM) observation demonstrates that the porous rGO sheets help the entire electrode to maintain highly conductive and facilitate the lithiation of Si nanoparticles. The composite electrode presents high specific capacity and good cycling stability (1004 mAh g(-1) at 50 mA g(-1) up to 100 cycles). (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：431 / 437

页数：7

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