Cited by 120CO2 Reduction Techniques and CatalystsCatalysts for Methane ReformingCarbon dioxide utilization in catalysis

Electrochemical Reduction of High Pressure CO 2 on Ni Electrodes

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Kudo, Akihiko, Nakagawa, Shinji, Tsuneto, Akira, Sakata, Tadayoshi·1993·Journal of The Electrochemical Society

Abstract

The electrochemical reduction of under high pressures of was investigated on Ni electrodes. With an increase in pressure, the Faradaic efficiency for reduction was increased while that of evolution by water reduction was decreased. Current density at −1.8 V vs. did not depend greatly on pressure at 30°C. By increasing temperature, the Faradaic efficiency for hydrocarbon formation was increased, suggesting that thermal activation was needed, although the total reduction efficiency for reduction was decreased. The Faradaic efficiency for the hydrocarbon formation showed a maximum at −1.6 V , while those for and were increased with increasing cathodic polarization. The weight distribution of hydrocarbons formed on Fe, Co, and Ni electrodes agreed well with the Schultz‐Flory distribution, indicating that hydrocarbons were formed via a mechanism similar to a Fischer‐Tropsch reaction for thermal catalysis, i.e. , polymerization of surface carbene groups produced by the reduction of which was formed by reduction.

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Authors
Kudo, A., Nakagawa, S., Tsuneto, A., & Sakata, T.
Affiliations
Tokyo Institute of Technology (JP)
Venue
Journal of The Electrochemical Society
Published
1993-06-01
Volume
140
Issue
6
Pages
1541-1545
ISSN
  • 0013-4651 (ISSN-L)
  • 1945-7111
OpenAlex
W2009745924
Cited by
120
References
0
Citations by year
2026: 7 · 2025: 13 · 2024: 11 · 2023: 6 · 2022: 9 · 2021: 6 · 2020: 3 · 2019: 6 · 2018: 3 · 2017: 8 · 2016: 2 · 2015: 6 · 2014: 3 · 2013: 1 · 2012: 2
FWCI
5.92
Type
journal article
Language
en
Open access
Locations
Journal of The Electrochemical Society (publishedVersion)
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
electrochemical CO2 reduction, high-pressure CO2, nickel electrodes, Faradaic efficiency, hydrocarbon generation, water reduction, temperature effects, cathodic polarization

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