Methods and systems for the electrochemical reduction of carbon dioxide using switchable polarity materials
Abstract
A method of electrochemically reducing CO2 comprises introducing a first feed stream comprising H2O to a positive electrode of an electrolysis cell comprising the positive electrode, a negative electrode, and a proton conducting membrane. A second feed stream comprising a solvent and a non polar form of a switchable polarity material is directed into a CO2 capture apparatus. A third feed stream comprising CO2 is directed into the CO2 capture apparatus to interact with the second feed stream and form a first product stream comprising the solvent and a polar form of the switchable polarity material. The first product stream is introduced to the negative electrode. A potential difference is applied between the positive electrode and the negative electrode to convert the polar form of the switchable polarity material into CO2 and the non-polar form and to form products from the CO2 and the solvent. A CO2 treatment system is also described.
- Inventors:
- Issue Date:
- Research Org.:
- Idaho National Laboratory (INL), Idaho Falls, ID (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1823834
- Patent Number(s):
- 10975477
- Application Number:
- 16/651,738
- Assignee:
- Battelle Energy Alliance, LLC (Idaho Falls, ID)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01D - SEPARATION
C - CHEMISTRY C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES C25B - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS
- DOE Contract Number:
- AC07-05ID14517
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 09/28/2018
- Country of Publication:
- United States
- Language:
- English
Citation Formats
Lister, Tedd E., Dufek, Eric J., Wilson, Aaron D., Diaz Aldana, Luis A., Adhikari, Birendra, and Gao, Ningshengjie. Methods and systems for the electrochemical reduction of carbon dioxide using switchable polarity materials. United States: N. p., 2021.
Web.
Lister, Tedd E., Dufek, Eric J., Wilson, Aaron D., Diaz Aldana, Luis A., Adhikari, Birendra, & Gao, Ningshengjie. Methods and systems for the electrochemical reduction of carbon dioxide using switchable polarity materials. United States.
Lister, Tedd E., Dufek, Eric J., Wilson, Aaron D., Diaz Aldana, Luis A., Adhikari, Birendra, and Gao, Ningshengjie. Tue .
"Methods and systems for the electrochemical reduction of carbon dioxide using switchable polarity materials". United States. https://www.osti.gov/servlets/purl/1823834.
@article{osti_1823834,
title = {Methods and systems for the electrochemical reduction of carbon dioxide using switchable polarity materials},
author = {Lister, Tedd E. and Dufek, Eric J. and Wilson, Aaron D. and Diaz Aldana, Luis A. and Adhikari, Birendra and Gao, Ningshengjie},
abstractNote = {A method of electrochemically reducing CO2 comprises introducing a first feed stream comprising H2O to a positive electrode of an electrolysis cell comprising the positive electrode, a negative electrode, and a proton conducting membrane. A second feed stream comprising a solvent and a non polar form of a switchable polarity material is directed into a CO2 capture apparatus. A third feed stream comprising CO2 is directed into the CO2 capture apparatus to interact with the second feed stream and form a first product stream comprising the solvent and a polar form of the switchable polarity material. The first product stream is introduced to the negative electrode. A potential difference is applied between the positive electrode and the negative electrode to convert the polar form of the switchable polarity material into CO2 and the non-polar form and to form products from the CO2 and the solvent. A CO2 treatment system is also described.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2021},
month = {4}
}
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