Electrochemical functionalization and in-situ deposition of the SAA@rGO/h-BN@Ni electrode for supercapacitor applications

다국어 초록 (Multilingual Abstract)

Functionalization and electrodeposition of reduced graphene oxide/hexagonal boron nitride (rGO/h-BN)superlattice was carried out by a novel one-step electrochemical process. The sulfanilic acidazochromotrop (SAA) functionalized and electrodeposited nickel foam (SAA@rGO/h-BN@Ni) electrodeshowed high specific capacitance of1300 F g 1. An asymmetric supercapacitor cell (ASC) usingSAA@rGO/h-BN@Ni as positive and thermally reduced GO as negative electrode showed80%capacitance retention after 10,000 charge–discharge cycles. The ASC showed low relaxation timeconstant of0.47 ms along with high energy density ( 95.3 W h kg 1) and power density ( 7200 Wkg 1) ensuring the utility of SAA@rGO/h-BN@Ni electrode for supercapacitor application.

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