Journal
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
Volume 66, Issue -, Pages 248-253Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2018.05.036
Keywords
Electrochemical CO2 reduction; Foam structure; Electrodeposition; HCOOH; Syngas
Funding
- Chung-Ang University
- National Research Foundation of Korea (NRF) - Korean government MSIT [2018R1A4A1022647]
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Porous Sn and Sn-based binary catalysts are facilely fabricated by an electrodeposition method. Varying conditions for Sn electrodeposition enables a control of Sn roughness, which exhibits a significant effect on catalytic performance for electrochemical CO2 reduction. At a specific applied potential, the porous Sn catalyst with relative roughness factor of 56.5 demonstrates a HCOOH Faradaic efficiency of 40.7% with a H-2/CO ratio of 2.2. Further improvement of the HCOOH Faradaic efficiency to 59.2% is achieved by using a porous Sn0.29In0.71 catalyst. This catalyst also achieves a H-2/CO ratio of 2.2, which can be used as syngas to produce value-added hydrocarbons. (C) 2018 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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