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Issue
Korean Journal of Chemical Engineering,
Vol.29, No.12, 1802-1805, 2012
Formation of nanoporous nickel oxides for supercapacitors prepared by electrodeposition with hydrogen evolution reaction and electrochemical dealloying
Jeong MG, Zhuo K, Cherevko S, Chung CH
Highly nanoporous nickel oxide electrodes were obtained by electrodeposition accompanied by hydrogen evolution reaction and the selective electrochemical dealloying of copper from Ni-(Cu) porous foam. The nanoporous nickel oxide electrodes consequently have numerous dendritic morphologies composed of nanopores with 20-30 nm diameters. The specific capacitances were 428 F g^(-1) for as-deposited Ni-(Cu) foam electrode and 1,305 F g^(-1) for nanoporous nickel-oxide electrode after dealloying process, respectively. This indicates increased surface area by dealloying process leads to innovative increase of specific capacitance.
Keywords: Nanoporous NiO Foam Electrode; Dendritic Structure; Hydrogen Evolution Reaction; Electrochemical Dealloying; Supercapacitors
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[Cited By]
  1. Kwon SH, Lee E, Kim BS, Kim SG, Lee BJ, Kim MS, Jung JC, Korean Journal of Chemical Engineering, 32(2), 248, 2015
  2. Lee HJ, Jin EM, Jeong SM, Korean Chemical Engineering Research, 54(2), 157, 2016
  3. Aghazadeh M, Karimzadeh I, Maragheh MG, Ganjali MR, Korean Journal of Chemical Engineering, 35(6), 1341, 2018
  4. Radadi RMA, Ibrahim MAM, Korean Journal of Chemical Engineering, 37(9), 1599, 2020
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