NiWO₄/Ni/Carbon Composite Fibres for Supercapacitors with Excellent Cycling Performance

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• 作者：Yitao He^a ; ^{h-yitao@qq.com} ; Luxiang Wang^a ; ^{wangluxiang@xju.edu.cn} ; ^{jdz0991@gmail.com} ; ^{jdz@xju.edu.cn} ; Dianzeng Jia^a ; Zongbin Zhao^b ; Jieshan Qiu^b
• 关键词：carbon fibres ; supercapacitor ; nickel tungsten tetraoxide
• 刊名：Electrochimica Acta
• 出版年：2016
• 出版时间：20 December 2016
• 年：2016
• 卷：222
• 期：Complete
• 页码：446-454
• 全文大小：2288 K
• 卷排序：222

文摘

A novel NiWO4/Ni/carbon fibre electrode was fabricated by combining electrospin with spray. Specific capacitance was sharply increased owing to Ni oxidation into Ni2+. The energy density was 41.3 Wh kg−1 at 193.8 Wh kg−1. WO42− was attributed to the conversion of Ni oxidated intoNi2+.