期刊
C-JOURNAL OF CARBON RESEARCH
卷 6, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/c6020033
关键词
anion exchange membranes; electrochemical; formic acid; carbon monoxide; CO2 utilization; ionic liquids; alkaline water electrolysis
资金
- U.S. Department of Energy (DOE) [DE-FE0031706, DE-SC0018540]
- U.S. Department of Energy (DOE) [DE-SC0018540] Funding Source: U.S. Department of Energy (DOE)
This paper is a review on the application of imidazolium-based ionic liquids tethered to polymer backbones in the electrochemical conversion of CO2 to carbon monoxide and formic acid. These tethered ionic liquids have been incorporated into novel anion ion exchange membranes for CO2 electrolysis, as well as for ionomers that have been incorporated into the cathode catalyst layer, providing a co-catalyst for the reduction reaction. In using these tethered ionic liquids in the cathode catalyst composition, the cell operating current increased by a factor of two or more. The Faradaic efficiencies also increased by 20-30%. This paper provides a review of the literature, in addition to providing some new experimental results from Dioxide Materials, in the electrochemical conversion of CO2 to CO and formic acid.
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