Synthesis and characterization of different morphologies of Ni(OH)<sub>2</sub> nanocrystals by a gas-liquid diffusion method at room temperature and supercapacitive properties

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Synthesis and characterization of different morphologies of Ni(OH)₂ nanocrystals by a gas-liquid diffusion method at room temperature and supercapacitive properties

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作者：Jiangshan Zhao ^{zhaojshtxy@163.com" class="auth_mail" title="E-mail the corresponding author} ; Zhuo Shi ; Qiang Zhang ; ^{zhangqiang6299@bit.edu.cn" class="auth_mail" title="E-mail the corresponding author}
关键词：Gas&ndash ; liquid diffusion ; Ni(OH)2 nanocrystals ; Room temperature ; Supercapacitor
刊名：Journal of Alloys and Compounds
出版年：2016
出版时间：25 May 2016
年：2016
卷：668
期：Complete
页码：176-186
全文大小：2649 K

文摘

•: Different morphologies of Ni(OH)₂ nanocrystals were synthesized via a gas–liquid diffusion method at room temperature.
•: The possible formation mechanism of the Ni(OH)₂ nanocrystals was discussed.
•: The evolution of the different morphologies of Ni(OH)₂ nanostructures is due to the increase of precursor concentrations.
•: The microsphere-like Ni(OH)₂ prepared at a concentration of 0.1 M NiSO₄ exhibits the highest specific capacitance of 1799 F g⁻¹.
•: The microsphere-like Ni(OH)₂ shows 92.8% capacitance retention after 2000 cycles.