NDLI: Facile synthesis of three-dimensional structured carbon fiber-NiCo2O4-Ni(OH)2 high-performance electrode for pseudocapacitors

Content Provider	PubMed Central
Author	Li, Wei Xin, Lipeng Xu, Xin Liu, Qida Zhang, Ming Ding, Shujiang Zhao, Mingshu Lou, Xiaojie
Copyright Year	2015
Abstract	Two-dimensional textured carbon fiber is an excellent electrode material and/or supporting substrate for active materials in fuel cells, batteries, and pseudocapacitors owing to its large surface area, high porosity, ultra-lightness, good electric conductivity, and excellent chemical stability in various liquid electrolytes. And Nickel hydroxide is one of the most promising active materials that have been studied in practical pseudocapacitor applications. Here we report a high-capacitance, flexible and ultra-light composite electrode that combines the advantages of these two materials for pseudocapacitor applications. Electrochemical measurements demonstrate that the 3D hybrid nanostructured carbon fiber–NiCo2O4–Ni(OH)2 composite electrode shows high capacitance, excellent rate capability. To the best of our knowledge, the electrode developed in this work possesses the highest areal capacitance of 6.04 F cm−2 at the current density of 5 mA cm−2 among those employing carbon fiber as the conductor. It still remains 64.23% at 40 mA cm−2. As for the cycling stability, the initial specific capacitance decreases only from 4.56 F cm−2 to 3.35 F cm−2 after 1000 cycles under a current density of 30 mA cm−2.
Related Links	http://dx.doi.org/10.1038/srep09277
Starting Page	9277
File Format	PDF
ISSN	20452322
e-ISSN	20452322
Journal	Scientific Reports
Volume Number	5
Language	English
Publisher	Nature Publishing Group
Publisher Date	2015-03-01
Access Restriction	Open
Rights Holder	Nature Publishing Group
Subject Keyword	Science and technology Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Multidisciplinary

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