Electrochemical Synthesis of Methanol from CO 2 in High‐Pressure Electrolyte
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We synthesized from and on a copper cathode in the high‐pressure system. Methanol was the only product of reduction detected in the electrolytic solution, with a maximum current efficiency for methanol production of 40% at a current density of 9 mA/cm 2 and potential of −1.1 V vs. Ag/AgCl. This is the highest efficiency yet reported for methanol production at this current density. Current‐potential curves shifted in the positive potential direction with increasing temperature and with increasing pressure up to approximately 60 atm. When the applied potential is more negative than about −1.2 V vs. Ag/AgCl, the current density decreases dramatically with time. Electrolyte conductivity in this system increases with increasing temperature, increasing concentration of LiCl, and decreasing pressure.
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Flow cells operating under alkaline conditions have achieved improved selectivity for C2H4 at reduced overpotentials.
“Flow cells operating under alkaline conditions have achieved improved selectivity for C2H4 at reduced overpotentials.[138,208]”
From Electrochemical CO <sub>2</sub> Reduction into Chemical Feedstocks: From Mechanistic Electrocatalysis Models to System Design (2019) · cites this paper as [208]
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- Authors
- Li, J., & Prentice, G.
- Affiliations
- University of Detroit Mercy (US)
- Venue
- Journal of The Electrochemical Society
- Publisher
- The Electrochemical Society
- Published
- 1997-12-01
- Volume
- 144
- Issue
- 12
- Pages
- 4284-4288
- ISSN
- 0013-4651 (ISSN-L)
- 1945-7111
- OpenAlex
- W2010699145
- Cited by
- 42
- References
- 0
- Citations by year
- 2025: 1 · 2024: 2 · 2023: 2 · 2022: 3 · 2021: 1 · 2020: 2 · 2019: 4 · 2018: 1 · 2017: 2 · 2016: 3 · 2015: 3 · 2014: 2 · 2013: 3 · 2012: 2
- FWCI
- 0.00
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- Journal of The Electrochemical Society (publishedVersion)
- Funders
- National Science Foundation
- Electric Power Research Institute
- Topics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › CO2 Reduction Techniques and Catalysts
- Physical Sciences › Chemical Engineering › Catalysis › Catalysts for Methane Reforming
- Physical Sciences › Chemical Engineering › Process Chemistry and Technology › Carbon dioxide utilization in catalysis
- Keywords
- methanol synthesis, CO2 reduction, electrochemical reduction, copper cathode, high-pressure electrolysis, current efficiency, electrolyte conductivity, LiCl electrolyte, temperature effects, pressure effects, current density
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