Biomolecule-assisted synthesis of nickel sulfides/reduced graphene oxide nanocomposites as electrode materials for supercapacitors

被引：138

作者：

Xing, Zhicai ^{[1
]}

Chu, Qingxin ^{[1
]}

Ren, Xinbang ^{[1
]}

Tian, Jingqi ^{[1
]}

Asiri, Abdullah M. ^{[2
,3
]}

Alamry, Khalid A. ^{[2
,3
]}

Al-Youbi, Abdulrahman O. ^{[2
,3
]}

Sun, Xuping ^{[1
,2
,3
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Electroanalyt Chem, Changchun 130022, Jilin, Peoples R China

[2] King Abdulaziz Univ, Fac Sci, Dept Chem, Jeddah 21589, Saudi Arabia

[3] King Abdulaziz Univ, Ctr Excellence Adv Mat Res, Jeddah 21589, Saudi Arabia

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2013年 / 32卷

基金：

中国国家自然科学基金;

关键词：

Environmentally friendly; Nickel sulfides; Reduced graphene oxide; Supercapacitors; ONE-POT SYNTHESIS; COBALT SULFIDE; HIGH-CAPACITY; COMPOSITES; NANOSHEETS; BACKBONE; FACILE;

D O I：

10.1016/j.elecom.2013.03.033

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The present communication demonstrates the first environmentally friendly hydrothermal synthesis of nickel sulfide nanospheres/reduced graphene oxide (nickel sulfides/rGO) nanocomposites with the use of L-cysteine as a reducing agent, sulfur donor, and linker. The nanosphere consists of ultrafine particles leading to textural pores. The resulting nickel sulfides/rGO nanocomposites were further used as an electrode material for supercapacitors and found to exhibit very high specific capacitances of 1169 F g(-1) and 761 F g(-1) at current rates of 5 A g(-1) and 50 A g(-1), respectively, with good cycling stability. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：9 / 13

页数：5

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