Data from: Tailoring morphology of cobalt-nickel layered double hydroxide via different surfactants for high-performance supercapacitor

Bangqing Xiao, Wenliang Zhu, Zhong Li, Jiliang Zhu, Xiaohong Zhu & Giuseppe Pezzotti
Tailoring the surface morphology of cobalt-nickel layered double hydroxide (LDH) electrode materials was successfully achieved via the process of cathodical electrodeposition by adding different surfactants (hexamethyltetrammine (HMT), dodecyltrimethylammonium bromide (DTAB) or cetyltrimethylammonium bromide (CTAB)). The as-prepared Co0.75Ni0.25(OH)2 with surfactants exhibited wrinkle-like, cauliflower-like, or net-like structures that corresponded to distinct and better electrochemical performances than the untreated one. In particular, a specific capacitance of 1209.1 F g-1 was found for the cauliflower-like Co0.75Ni0.25(OH)2 electrode material using...

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  • Kyoto Institute of Technology
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  • Sichuan University
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  • Osaka University
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