Understanding Inlet Concentration Effects on the Electrocatalytic Conversion of CO2 to Formic Acid in Gas-Fed Electrolyzers

Journal Article · Fri Apr 03 00:00:00 UTC 2026 · ACS Applied Energy Materials

DOI: https://doi.org/10.1021/acsaem.5c03177 · OSTI ID:3365453

Ellis, James  ^[1]; El Berch, John ^[2]; Bourmpakis, Ioannis ^[2]; Kauffman, Douglas  ^[3]

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1. NETL Site Support Contractor, National Energy Technology Laboratory
2. University of Pittsburgh
3. NETL

This study evaluates the impact of gas concentrations on CO2 conversion electrolyzes for tin and bismuth catalysts. The results show that gas concentration impacts Tin performance, but bismuth is relatively insensitive.

• Research Organization: National Energy Technology Laboratory (NETL), Pittsburgh, PA, Morgantown, WV, and Albany, OR (United States)
• Sponsoring Organization: USDOE Office of Fossil Energy and Carbon Management (FECM); USDOE Office of Fossil Energy and Carbon Management (FECM), Office of Carbon Management (FE-20)
• OSTI ID: 3365453
• Journal Information: ACS Applied Energy Materials, Journal Name: ACS Applied Energy Materials Journal Issue: 8 Vol. 9; ISSN 2574-0962
• Country of Publication: United States
• Language: English