三维硫化镍纳米棒阵列作为用于电化学能量存储和转换应用的多功能电极。
Three dimensional NiS nanorod arrays as multifunctional electrodes for electrochemical energy storage and conversion applications.
作者信息
Cui Kexin, Fan Jincheng, Li Songyang, Khadidja Moukaila Fatiya, Wu Jianghong, Wang Mingyu, Lai Jianxin, Jin Hongguang, Luo Wenbin, Chao Zisheng
机构信息
College of Materials Science and Engineering, Changsha University of Science and Technology Changsha Hunan 410114 China
College of Health Science and Environmental Engineering, Shenzhen Technology University Shenzhen Guangdong 518118 China.
出版信息
Nanoscale Adv. 2019 Nov 22;2(1):478-488. doi: 10.1039/c9na00633h. eCollection 2020 Jan 22.
The increasing demand for energy and environmental protection has stimulated intensive interest in fundamental research and practical applications. Nickel dichalcogenides (NiS, NiS, NiSe, NiSe, ) are promising materials for high-performance electrochemical energy storage and conversion applications. Herein, 3D NiS nanorod arrays are fabricated on Ni foam by a facile solvothermal route. The optimized NiS/Ni foam electrode displays an areal capacity of 1602 µA h cm at 5 mA cm, excellent rate capability and cycling stability. Besides, 3D NiS nanorod arrays as electrode materials exhibit outstanding performances for the overall water splitting reaction. In particular, the 3D NiS nanorod array electrode is shown to be a high-performance water electrolyzer with a cell voltage of 1.63 V at a current density of 10 mA cm for overall water splitting. Therefore, the results demonstrate a promising multifunctional 3D electrode material for electrochemical energy storage and conversion applications.
对能源和环境保护日益增长的需求激发了人们对基础研究和实际应用的浓厚兴趣。二硫族化镍（NiS、NiS、NiSe、NiSe等）是用于高性能电化学能量存储和转换应用的有前景的材料。在此，通过简便的溶剂热法在泡沫镍上制备了三维NiS纳米棒阵列。优化后的NiS/泡沫镍电极在5 mA/cm²时的面积容量为1602 μA h/cm²，具有优异的倍率性能和循环稳定性。此外，作为电极材料的三维NiS纳米棒阵列在全水分解反应中表现出优异的性能。特别是，三维NiS纳米棒阵列电极被证明是一种高性能的水电解槽，在全水分解的电流密度为10 mA/cm²时，电池电压为1.63 V。因此，这些结果证明了一种用于电化学能量存储和转换应用的有前景的多功能三维电极材料。
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