화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.54, 218-225, October, 2017
DOI10.1016/j.jiec.2017.05.036  Export Citation
Electrochemical preparation of Ag/Cu and Au/Cu foams for electrochemical conversion of CO2 to CO
Hyunju Lee, Soo-Kil Kim1, †, and Sang Hyun Ahn†
  • School of Chemical Engineering and Material Science, Chung-Ang University, 84 Heukseokno, Dongjak-gu, Seoul 06974, Republic of Korea
  • 1School of Integrative Engineering, Chung-Ang University, 84 Heukseokno, Dongjak-gu, Seoul 06974, Republic of Korea
E-mail:,
Ag/Cu and Au/Cu foams were prepared by bubble-templated Cu electrodeposition and subsequent noble metal galvanic displacement for production of CO via the electrochemical conversion of CO2. As the displacement time was increased, the amounts of Ag and Au gradually increased, with accompanying changes in the pore size and wall thickness. Due to their morphological advantage, at low overpotential ranges the Ag/Cu and Au/Cu foams showed higher CO partial current densities than those of Ag and Au films, respectively. Based on the loading mass of noble metal, the Ag/Cu and Au/Cu foams exhibited costeffectiveness for CO production. The minimized use of Ag and Au with enlarged surface area supported by porous Cu foams provided effective way to fabricate catalysts for electrochemical CO2 conversion to CO.
Keywords:Electrochemical carbon dioxide conversion;Carbon monoxide production;Bubble-templated electrodeposition;Displacement;Foam catalyst
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