A facile hydrothermal reflux synthesis of Ni(OH)(2)/GF electrode for supercapacitor application

作者：Khaleed A A; Bello A; Dangbegnon J K; Ugbo F U; Barzegar F; Momodu D Y; Madito M J; Masikhwa T M; Olaniyan O; Manyala N^*

来源：Journal of Materials Science, 2016, 51(12): 6041-6050.

DOI：10.1007/s10853-016-9910-y

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.

• 出版日期2016-6