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Sanjit Saha,Pranab Samanta,Naresh C. Murmu,김남훈,Tapas Kuila,이중희 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.52 No.-
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.
Saha, Sanjit,Samanta, Pranab,Murmu, Naresh C.,Kim, Nam H.,Kuila, Tapas,Lee, Joong H. THE KOREAN SOCIETY OF INDUSTRIAL AND ENGINEERING 2017 Journal of Industrial and Engineering Chemistry Vol.52 No.-
<P><B>Abstract</B></P> <P>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 ∼1300Fg<SUP>−1</SUP>. 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 ∼0.47ms along with high energy density (∼95.3Whkg<SUP>−1</SUP>) and power density (∼7200Wkg<SUP>−1</SUP>) ensuring the utility of SAA@rGO/h-BN@Ni electrode for supercapacitor application.</P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>