Hydrogen-powered Electrochemically-driven CO2 Removal from Air Containing 400 to 5000 ppm CO2
| Author(s) | Matz, Stephanie | |
| Author(s) | Shi, Lin | |
| Author(s) | Zhao, Yun | |
| Author(s) | Gottesfeld, Shimshon | |
| Author(s) | Setzler, Brian P. | |
| Author(s) | Yan, Yushan | |
| Date Accessioned | 2022-07-12T15:45:24Z | |
| Date Available | 2022-07-12T15:45:24Z | |
| Publication Date | 2022-07-07 | |
| Description | This article was originally published in Journal of The Electrochemical Society. The version of record is available at: https://doi.org/10.1149/1945-7111/ac7adf. The data that support the findings of this study are available in the online repository figshare at http://doi.org/10.6084/m9.figshare.20164013. | en_US |
| Abstract | The performance of a hydrogen-powered, electrochemically-driven CO2 separator (EDCS) was demonstrated at cathode inlet CO2 concentrations from 400 ppm to 5,000 ppm. The impact of current density and CO2 concentration were evaluated to predict operating windows for various applications. The single-cell data was used to scale a 100 cm2, multi-cell stack using a shorted-membrane design for four applications: direct air capture (DAC), hydroxide exchange membrane fuel cell (HEMFC) air pretreatment, submarine life support, and space habitation. For DAC, a 339-cell EDCS stack (7.7 L, 17 kg) was projected to remove 1 tonne CO2 per year. The addition of the EDCS in HEMFC systems would result in nearly a 30% increase in volume, and therefore further improvements in performance would be necessary. A module containing five 338-cell EDCS stacks (38 L, 85 kg) in parallel can support a 150 person crew at 2.1% of the volume of the liquid amine system employed in submarines. For space habitation, a 109-cell EDCS stack (3.2 L, 10 kg) is adequate for 6 crewmembers, and is less than 1% the size and 5% the weight of the current CO2 removal system installed on the International Space Station. | en_US |
| Sponsor | The information, data, or work presented herein was funded in part by the Advanced Research Projects Agency-Energy (ARPA-E), U.S. Department of Energy, under Award Number DE-AR0001034. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. | en_US |
| Citation | Matz, Stephanie, Lin Shi, Yun Zhao, Shimshon Gottesfeld, Brian P. Setzler, and Yushan Yan. “Hydrogen-Powered Electrochemically-Driven CO2 Removal from Air Containing 400 to 5000 Ppm CO2.” Journal of The Electrochemical Society 169, no. 7 (July 2022): 073503. https://doi.org/10.1149/1945-7111/ac7adf. | en_US |
| ISSN | 1945-7111 | |
| URL | https://udspace.udel.edu/handle/19716/31099 | |
| Language | en_US | en_US |
| Publisher | Journal of The Electrochemical Society | en_US |
| Title | Hydrogen-powered Electrochemically-driven CO2 Removal from Air Containing 400 to 5000 ppm CO2 | en_US |
| Type | Article | en_US |
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