Facile fabrication of porous Sn-based catalysts for electrochemical CO2 reduction to HCOOH and syngas
- Authors
- Kim, H.; Lee, H.; Lim, T.; Ahn, S.H.
- Issue Date
- Oct-2018
- Publisher
- Korean Society of Industrial Engineering Chemistry
- Keywords
- Electrochemical CO2 reduction; Foam structure; Electrodeposition; HCOOH; Syngas
- Citation
- Journal of Industrial and Engineering Chemistry
- Journal Title
- Journal of Industrial and Engineering Chemistry
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/31172
- DOI
- 10.1016/j.jiec.2018.05.036
- ISSN
- 1226-086X
- Abstract
- 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 H2/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 H2/CO ratio of 2.2, which can be used as syngas to produce value-added hydrocarbons. © 2018 The Korean Society of Industrial and Engineering Chemistry
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