MOF-derived NixCo1-x(OH)2 composite microspheres for high-performance supercapacitors

被引：105

作者：

He, Shuhua ^{[1
,2
]}

Li, Zhangpeng ^{[1
]}

Wang, Jinqing ^{[1
]}

Wen, Ping ^{[3
]}

Gao, Jiechang ^{[4
]}

Ma, Limin ^{[1
]}

Yang, Zhigang ^{[1
]}

Yang, Shengrong ^{[1
]}

机构：

[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100080, Peoples R China

[3] Baoji Univ Arts & Sci, Dept Chem & Chem Engn, Baoji 721013, Shanxi, Peoples R China

[4] Lanzhou Univ Technol, Coll Mat Sci & Engn, Lanzhou 730050, Peoples R China

来源：

RSC ADVANCES | 2016年 / 6卷 / 55期

基金：

中国国家自然科学基金;

关键词：

METAL-ORGANIC FRAMEWORK; LITHIUM-ION BATTERIES; NI(OH)(2)-CO(OH)(2) COMPOSITES; ELECTROCHEMICAL PERFORMANCES; HYDROXIDE NANOSHEETS; ELECTRODE MATERIALS; ANODE MATERIALS; CARBON; ENERGY; NANOPARTICLES;

D O I：

10.1039/c6ra03992h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

NixCo1-x(OH)(2) composite microspheres with uniform sizes are successfully synthesized with the assistance of alkali solution by employing a bimetallic Co-Ni-metal organic framework (Co-Ni-MOF) as both the precursor and the self-sacrificing template. The as-obtained NixCo1-x(OH)(2) composite demonstrates excellent electrochemical performance, including a high specific capacitance of 1235.9 F g(-1) at a current density of 0.5 A g(-1), good electrochemical stability, with similar to 73% retention of its initial capacitance after 10 000 cycles, and a high rate capability; this composite exhibits great application prospects as a novel electrode material for supercapacitors.

引用

页码：49478 / 49486

页数：9

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