Ultra-Fast Microwave Synthesis of 3D Flower-Like Co9S8 Hierarchical Architectures for High-Performance Supercapacitor Applications

被引：68

作者：

Yin, Li ^{[1
]}

Wang, Longqiang ^{[1
]}

Liu, Xiaohong ^{[1
]}

Gai, Yansong ^{[1
]}

Su, Linghao ^{[1
]}

Qu, Baohan ^{[1
]}

Gong, Liangyu ^{[1
]}

机构：

[1] Qingdao Agr Univ, Coll Chem & Pharmaceut Sci, Qingdao, Peoples R China

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2015年 / 14期

基金：

中国国家自然科学基金;

关键词：

Electrochemistry; Energy conversion; Nanostructures; Cobalt; Crystal growth; EXCELLENT ELECTROCHEMICAL PERFORMANCE; COBALT-SULFIDE; SOLVOTHERMAL SYNTHESIS; HYDROTHERMAL SYNTHESIS; TUNABLE MORPHOLOGY; HOLLOW SPHERES; CARBON CLOTH; NANOPARTICLES; NANOWIRES; ELECTRODE;

D O I：

10.1002/ejic.201500120

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Ultra-fast microwave irradiation is used to synthesize 3D flower-like Co9S8 hierarchical architectures. Based on time-dependent SEM observations, a multistep splitting-growth mechanism is proposed to understand the formation of the observed structures. Moreover, the materials were used as electrodes to fabricate supercapacitors with high specific capacitances of 522, 499, 441, 436, and 397 Fg(-1) at current densities of 0.5, 0.8,1.0, 1.5, and 2.0 Ag-1, respectively. The devices also show high charge-discharge reversibility, with an efficiency of 97.7% after cycling 1000 times at a current density of 1.0 Ag-1.

引用

页码：2457 / 2462

页数：6

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