期刊
DIAMOND AND RELATED MATERIALS
卷 57, 期 -, 页码 63-67出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.diamond.2015.03.003
关键词
3D-graphene; Nickel hydroxide; Electrodeposition; Supercapacitor; Energy
类别
资金
- Repsol under the Inspire program
The need of new systems for the storage and conversion of renewable energy sources is fueling the research in supercapacitors. In this work, we propose a low temperature route for the synthesis of electrodes for these supercapacitors: electrodeposition of a transition metal hydroxide-Ni(OH)(2) on a graphene foam. This electrode combines the superior mechanical and electrical properties of graphene, the large specific surface area of the foam and the large pseudocapacitance of Ni(OH)(2). We report a specific capacitance up to 900 F/g as well as specific power and energy comparable to active carbon electrodes. These electrodes are potential candidates for their use in energy applications. (C) 2015 Elsevier B.V. All rights reserved.
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