Redox reaction between graphene oxide and In powder to prepare In2O3/reduced graphene oxide hybrids for supercapacitors

被引：47

作者：

Xu, Xiaoyang ^{[1
]}

Wu, Tao ^{[1
]}

Xia, Fengling ^{[1
]}

Li, Yi ^{[1
]}

Zhang, Congcong ^{[1
]}

Zhang, Lei ^{[1
]}

Chen, Mingxi ^{[1
]}

Li, Xichuan ^{[1
]}

Zhang, Li ^{[1
]}

Liu, Yu ^{[1
]}

Gao, Jianping ^{[1
,2
]}

机构：

[1] Tianjin Univ, Sch Sci, Tianjin 300072, Peoples R China

[2] Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300072, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2014年 / 266卷

基金：

中国国家自然科学基金;

关键词：

Graphene oxide; Reduction; Hybrid; Supercapacitor; Electrochemical performance; FACILE SYNTHESIS; CHEMICAL-REDUCTION; ZN POWDER; GRAPHITE; PERFORMANCE; COMPOSITES; NANOSHEETS; GREEN; EXFOLIATION; HYDRAZINE;

D O I：

10.1016/j.jpowsour.2014.05.051

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 facile and quick route for the chemical reduction of graphene oxide (GO) using In powder as a reductant has been established. The reduction of GO by In powder is traced by UV-visible absorption spectroscopy, and the obtained reduced graphene oxide (rGO) is analyzed. The In3+ ions produced during the reaction between the GO and the In powder are chemically transformed to In2O3 and then form In2O3/rGO hybrids. The In2O3/rGO hybrids are used as electrode materials and their electrochemical performance are studied using cyclic voltammetry and galvanostatic charge/discharge. The In2O3/rGO hybrids demonstrate excellent electrochemical performance and their highest specific capacitance is 178.8 F g(-1) which is much higher than that of either In2O3 or rGO. In addition, the In2O3/rGO hybrids are also very stable. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：282 / 290

页数：9

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