Journal
JOURNAL OF MATERIALS SCIENCE
Volume 51, Issue 12, Pages 6041-6050Publisher
SPRINGER
DOI: 10.1007/s10853-016-9910-y
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Funding
- South African Research Chairs Initiative of the Department of Science and Technology
- National Research Foundation of South Africa [97994]
- University of Pretoria
- NRF through SARChI in Carbon Technology and Materials
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Ni(OH)(2)/graphene foam (GF) electrode was synthesized for electrochemical application by a facile hydrothermal reflux technique. The results obtained from the scanning electron microscopy showed that the Ni(OH)(2) spheres successfully coated the entire surface area of the GF. Specific capacitance of 2420 F g(-1) at a current density of 1 A g(-1) was obtained for Ni(OH)(2)/GF composite electrode, as well as a capacitance retention of similar to 93 % after 1000 charge-discharge cycles, demonstrating excellent cycle stability in 6.0 M KOH electrolyte. These results suggest that the composite could be a potential active material for high-performance electrochemical applications.
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