Saha, Sanjit and Samanta, Pranab and Murmu, Naresh C. and Kim, Nam H. and Kuila, Tapas (2017) Electrochemical functionalization and in-situ deposition of the SAA@rGO/h-BN@Ni electrode for supercapacitor applications. Journal of Industrial and Engineering Chemistry, 52. pp. 321-330.

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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 acid azochromotrop (SAA) functionalized and electrodeposited nickel foam (SAA@rGO/h-BN@Ni) electrode showed high specific capacitance of ∼1300 F g−1. An asymmetric supercapacitor cell (ASC) using SAA@rGO/h-BN@Ni as positive and thermally reduced GO as negative electrode showed ∼80% capacitance retention after 10,000 charge–discharge cycles. The ASC showed low relaxation time constant of ∼0.47 ms along with high energy density (∼95.3 W h kg−1) and power density (∼7200 W kg−1) ensuring the utility of SAA@rGO/h-BN@Ni electrode for supercapacitor application.

Item Type:	Article
Subjects:	Supercapacitor
Depositing User:	Dr. Sarita Ghosh
Date Deposited:	13 Mar 2019 06:29
Last Modified:	13 Mar 2019 06:29
URI:	http://cmeri.csircentral.net/id/eprint/464

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