General Strategy to Fabricate Ternary Metal Nitride/Carbon Nanofibers for Supercapacitors. Issue 12 (16th October 2015)

• Record Type: Journal Article
• Authors: Xu, Yunling; Wang, Jie; Ding, Bing; Shen, Laifa; Dou, Hui; Zhang, Xiaogang
• Is Part Of: ChemElectroChem. Volume 2:Issue 12(2015)
• Page Start: 2020
• Page End: 2026
• Publication Date: 2015-10-16
• Subjects: electrochemistry -- metal nitrides -- nanofibers -- supercapacitors -- ternary; Electrochemistry -- Periodicals; 541.37
• DOI: 10.1002/celc.201500310
• Languages: English
• ISSNs: 2196-0216

Abstract

Abstract: 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. Abstract : Supercapacitors : Ternary vanadium titanium nitride/carbon nanofibers are selectively fabricated by using a general and facile electrospinning strategy. The well‐interconnected nanofibers enable rapid electron/ion transfer and offer a highly ion‐accessible surface. The new material shows promise for applications in supercapacitors.