The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Suppression of Hydrogen Evolution in Acidic Electrolytes by Electrochemical CO2 Reduction
Open accessAbstract
Abstract In this article we investigate the electrochemical reduction of CO2 at gold electrodes under mildly acidic conditions. Differential electrochemical mass spectroscopy (DEMS) is used to quantify the amounts of formed hydrogen and carbon monoxide as well as the consumed amount of CO2. We investigate how the Faradaic efficiency of CO formation is affected by the CO2 partial pressure (0.1–0.5 bar) and the proton concentration (1–0.25 mM). Increasing the former enhances the rate of CO2 reduction and suppresses hydrogen evolution from proton reduction, leading to Faradaic efficiencies close to 100%. Hydrogen evolution is suppressed by CO2 reduction as all protons at the electrode surfaces are used to support the formation of water (CO2 + 2H+ + 2e– → CO + H2O). Under conditions of slow mass transport, this leaves no protons to support hydrogen evolution. On the basis of our results, we derive a general design principle for acid CO2 electrolyzers to suppress hydrogen evolution from proton reduction: the rate of CO/OH– formation must be high enough to match/compensate the mass transfer of protons to the electrode surface.
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Cites
Advances and challenges in understanding the electrocatalytic conversion of carbon dioxide to fuels
Birdja, Y. Y., Pérez-Gallent, E., Figueiredo, M. C., Göttle, A. J., Calle-Vallejo, F., & Koper, M. T. M. (2019) · Nature Energy · doi:10.1038/s41560-019-0450-y · Cited by 2,747
Self-citationDelacourt, C., Ridgway, P. L., Kerr, J. B., & Newman, J. (2008) · Journal of The Electrochemical Society · doi:10.1149/1.2801871 · Cited by 442
Effect of solid polymer electrolyte on electrochemical reduction of CO2
Aeshala, L. M., Rahman, S. U., & Verma, A. (2012) · Separation and Purification Technology · doi:10.1016/j.seppur.2011.12.030 · Cited by 89
Cited by
CO 2 electrolysis to multicarbon products in strong acid
Huang, J. E., Li, F., Ozden, A., Sedighian Rasouli, A., García de Arquer, F. P., Liu, S., Zhang, S., Luo, M., Wang, X., Lum, Y., et al. (2021) · Science · doi:10.1126/science.abg6582 · Cited by 1,359
Qiao, Y., Lai, W., Huang, K., Yu, T., Wang, Q., Gao, L., Yang, Z., Ma, Z., Sun, T., Liu, M., et al. (2022) · ACS Catalysis · doi:10.1021/acscatal.1c05135 · Cited by 336
Yan, T., Chen, X., Kumari, L., Lin, J., Li, M., Fan, Q., Chi, H., Meyer, T. J., Zhang, S., & Ma, X. (2023) · Chemical Reviews · doi:10.1021/acs.chemrev.2c00514 · Cited by 328
Rational Design of Transition Metal Phosphide‐Based Electrocatalysts for Hydrogen Evolution
Liu, D., Xu, G., Yang, H., Wang, H., & Xia, B. Y. (2023) · Advanced Functional Materials · doi:10.1002/adfm.202208358 · Cited by 302
Wang, Y., Zhang, J., Zhao, J., Wei, Y., Chen, S., Zhao, H., Su, Y., Ding, S., & Xiao, C. (2024) · ACS Catalysis · doi:10.1021/acscatal.3c05880 · Cited by 269
Metadata
- Authors
- Bondue, C. J., Graf, M., Goyal, A., & Koper, M. T. M.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2020-12-24
- Volume
- 143
- Issue
- 1
- Pages
- 279-285
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W3116535123
- Cited by
- 352
- References
- 3
- FWCI
- 6.65
- Type
- journal article
- Language
- en
- Open access
- hybrid
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