Authors: Jialin Yin Hao Zhang Jiaqiu Luo Mengqi Yao Wencheng Hu
Publish Date: 2016/10/06
Volume: 28, Issue: 2, Pages: 2093-2099
Abstract
A facile synthesis approach was successfully developed to synthesize mesoporous NiCo2S4 in ethylene glycol Xray diffraction scanning electron microscopy highresolution transmission electron microscopy and N2 adsorption–desorption experiment were conducted to examine the morphology and microstructure of the asprepared NiCo2S4 Furthermore electrochemical measurements including cyclic voltammetry galvanostatic charge–discharge tests and electrochemical impedance spectroscopy were carried out in a threeelectrode system to evaluate the electrochemical properties of the mesoporous NiCo2S4 The asprepared NiCo2S4 possessed a high specific surface area of 2236 m2 g−1 with a high specific capacity of 406 C g−1 at 05 A g−1 In addition only a 63 loss of specific capacity was observed at 5 A g−1 after 20000 GCD cycles suggesting a long life cycle
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