Core–Shell Ni/Ni(OH)2 Nanowire Array for Asymmetric Supercapacitors
Anshu Andola,
Ravi Ranjan Pandey,
Yashvant Kashyap
et al.
Abstract:In this study, we present a systematic investigation of the electrochemical performance of a core−shell Ni/Ni(OH) 2 nanowire array in an asymmetric supercapacitor configuration with graphene flakes. We synthesized the nanowires, with diameters of 35, 100, and 150 nm, through electrodeposition, which enabled us to precisely control their dimensions. We discovered a remarkable trend: the supercapacitor performance initially increases with nanowire height but then gradually decreases after reaching a critical poi… Show more
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