Electrospun Ni-Ni(OH)2/Carbon Nanofibers As Flexible Binder-Free Supercapacitor Electrode with Enhanced Specific Capacitance
Journal of electronic materials(2020)
摘要
A flexible Ni-Ni(OH) 2 /carbon nanofiber (CNF) composite material was fabricated via electrospinning followed by a high-temperature carbonization and hydrothermal process. The Ni-Ni(OH) 2 /CNFs calcined at 800°C exhibited excellent electrochemical performance, with high specific capacitance of 763 F g −1 (1 A g −1 ). Moreover, the material showed good stability, with 94% capacitance retention after 8000 cycles. This work proves that Ni-Ni(OH) 2 /CNFs are a promising candidate for use as a high-efficiency supercapacitor electrode material.
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关键词
Electrospinning,Ni-Ni(OH)2,carbon nanofibers,synergism
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