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General Strategy to Fabricate Ternary Metal Nitride/Carbon Nanofibers for Supercapacitors
Author(s) -
Xu Yunling,
Wang Jie,
Ding Bing,
Shen Laifa,
Dou Hui,
Zhang Xiaogang
Publication year - 2015
Publication title -
chemelectrochem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.182
H-Index - 59
ISSN - 2196-0216
DOI - 10.1002/celc.201500310
Subject(s) - materials science , supercapacitor , ternary operation , electrospinning , nanofiber , carbon nanofiber , nitride , vanadium nitride , electrode , electrochemistry , nanotechnology , chemical engineering , carbon nanotube , composite material , chemistry , computer science , layer (electronics) , engineering , programming language , polymer
In this work, ternary metal nitrides are proposed as novel electrode materials for supercapacitors. We selectively fabricate ternary vanadium titanium nitride/carbon (VTiN/C) nanofibers through a facile electrospinning strategy and investigate their electrochemical performance for the first time. The obtained well‐interconnected VTiN/C nanofibers with VTiN nanoparticles embedded into carbon ensure rapid electron/ion transfer and offer a highly ion‐accessible surface. Appealingly, the VTiN‐4/C nanofibers exhibit a greatly improved performance, with a high specific capacitance (430.7 F g −1 , 0.5 A g −1 ) and a good rate capability. Furthermore, the performance of the VTiN/C nanofibers is found to be controllable by adjusting the V/Ti atomic ratio. The encouraging electrochemical performance suggests that ternary VTiN could be a promising electrode material for supercapacitors.

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