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- W3086673418 abstract "Carbon materials have been attracted attention because of high supercapacitor activity. In this work, N-doped mesoporous hollow carbon spheres coated with Ni2P nanosheets are prepared by hydrothermal and calcination processes using a SiO2 template. N element doping changes the structure of hollow carbon spheres. Ni2P nanosheets are grown uniformly on the surface of the N-doped carbon spheres (N-CS). Due to the unique atomic arrangement of N-CS, the hollow mesoporous structure, and coupling with the unique composition of Ni2P nanosheets, N–[email protected]2P composites exhibit excellent electrochemical performance as supercapacitor electrodes with high specific capacitance and cycle stability under high current density. When the current density is 10 A g−1, the specific capacitance is 1320.4 F g−1. The capacitance retention rate after 1500 cycles is 76%. In the case of a current density of 20 A g−1, the specific capacitance is still up to 1062 F g−1. This method provides a fine strategy for designing high-performance supercapacitors based on carbon materials." @default.
- W3086673418 created "2020-09-21" @default.
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- W3086673418 date "2021-02-01" @default.
- W3086673418 modified "2023-10-17" @default.
- W3086673418 title "Ni2P nanosheets modified N-doped hollow carbon spheres towards enhanced supercapacitor performance" @default.
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- W3086673418 doi "https://doi.org/10.1016/j.jallcom.2020.157111" @default.
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