journal article·2026-04-17

Reactive CO2 capture via controlled amine speciation in non-aqueous electrolytes

Reginaldo J. Gomes, Jianping Li, Jiayi Xu, Bidushi Sarkar, Matin Mohebi, Joshua Gabriel, Tony Joseph Mathew, Ishaan Roy, Noah Paulson, Cong Liu, Chukwunwike O. Iloeje, Chibueze V. Amanchukwu

Nature Energy· Volume 11· Issue 5
Publisher page

Abstract

No abstract is available for this record. The assistant can identify its topic from the title, but cannot infer the study’s results.

Source: Not provided · Quality: missing

Research context

OpenAlex topics: CO2 Reduction Techniques and Catalysts · Ammonia Synthesis and Nitrogen Reduction · Catalysts for Methane Reforming

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

References (48)

Show source-provided references
1. Sullivan, I. et al. Coupling electrochemical CO2 conversion with CO2 capture. Nat. Catal. 4, 952–958 (2021).10.1038/s41929-021-00699-7 ↗
2. Morgan Summers, W., Herron, S. E. & Zoelle, A. Cost of Capturing CO2 from Industrial Sources (National Energy Technology Laboratory, Office of Fossil Energy, 2014).
3. Boot-Handford, M. E. et al. Carbon capture and storage update. Energy Environ. Sci. 7, 130–189 (2013).10.1039/C3EE42350F ↗
4. Kim, Y. et al. Economic viability of Integrated CO2 capture and conversion. ACS Energy Lett. 10, 403–409 (2024).10.1021/acsenergylett.4c02852 ↗
5. Banerjee, A. & Morales-Guio, C. G. Integrated CO2 capture and electrochemical conversion: coupled effects of transport, kinetics and thermodynamics in the direct reduction of captured-CO2 adducts. EES Catal. 3, 205–234 (2025).10.1039/D4EY00285G ↗
6. Lee, G. et al. Electrochemical upgrade of CO2 from amine capture solution. Nat. Energy 6, 46–53 (2021).10.1038/s41560-020-00735-z ↗
7. Jerng, S. E. & Gallant, B. M. Electrochemical reduction of CO2 in the captured state using aqueous or nonaqueous amines. iScience 25, 104558 (2022).10.1016/j.isci.2022.104558 ↗
8. Kortunov, P. V., Siskin, M., Baugh, L. S. & Calabro, D. C. In situ nuclear magnetic resonance mechanistic studies of carbon dioxide reactions with liquid amines in aqueous systems: new insights on carbon capture reaction pathways. Energy Fuels 29, 5919–5939 (2015).10.1021/acs.energyfuels.5b00850 ↗
9. Shen, K. et al. On the origin of carbon sources in the electrochemical upgrade of CO2 from carbon capture solutions. Joule 7, 1260–1276 (2023).10.1016/j.joule.2023.05.010 ↗
10. Safipour, J., Weber, A. Z. & Bell, A. T. Detrimental effects of monoethanolamine and other amine-based capture agents on the electrochemical reduction of CO2. ACS Energy Lett. 8, 5012–5017 (2023).10.1021/acsenergylett.3c01953 ↗
11. Wang, M. et al. Acidic media enables oxygen-tolerant electrosynthesis of multicarbon products from simulated flue gas. Nat. Commun. 15, 1218 (2024).10.1038/s41467-024-45527-1 ↗
12. Li, P. et al. Acid–base interaction enhancing oxygen tolerance in electrocatalytic carbon dioxide reduction. Angew. Chem. Int. Ed. 59, 10918–10923 (2020).10.1002/anie.202003093 ↗
13. Xu, Y. et al. Oxygen-tolerant electroproduction of C2 products from simulated flue gas. Energy Environ. Sci. 13, 554–561 (2020).10.1039/C9EE03077H ↗
14. Leverick, G. et al. Uncovering the active species in amine-mediated CO2 reduction to CO on Ag. ACS Catal. 13, 12322–12337 (2023).10.1021/acscatal.3c02500 ↗
15. Bhattacharya, M., Sebghati, S., Vercella, Y. M. & Saouma, C. T. Electrochemical reduction of carbamates and carbamic acids: implications for combined carbon capture and electrochemical CO2 recycling. J. Electrochem. Soc. 167, 086507 (2020).10.1149/1945-7111/ab8ed0 ↗
16. Pérez-Gallent, E., Vankani, C., Sánchez-Martínez, C., Anastasopol, A. & Goetheer, E. Integrating CO2 capture with electrochemical conversion using amine-based capture solvents as electrolytes. Ind. Eng. Chem. Res. 60, 4269–4278 (2021).10.1021/acs.iecr.0c05848 ↗
17. Gomes, R. J. et al. Modulating water hydrogen bonding within a non-aqueous environment controls its reactivity in electrochemical transformations. Nat. Catal. 7, 689–701 (2024).10.1038/s41929-024-01162-z ↗
18. Kortunov, P. V., Siskin, M., Baugh, L. S. & Calabro, D. C. In situ nuclear magnetic resonance mechanistic studies of carbon dioxide reactions with liquid amines in non-aqueous systems: evidence for the formation of carbamic acids and zwitterionic species. Energy Fuels 29, 5940–5966 (2015).10.1021/acs.energyfuels.5b00985 ↗
19. Chu, A. T., Jung, O., Toh, W. L. & Surendranath, Y. Organic non-nucleophilic electrolyte resists carbonation during selective CO2 electroreduction. J. Am. Chem. Soc. 145, 9617–9623 (2023).10.1021/jacs.3c00506 ↗
20. Szwabińska, K. & Lota, G. Tuning the course of the oxygen reduction reaction at a carbon electrode using alkaline electrolytes based on binary DMSO–water solvent mixtures. Electrochem. Commun. 141, 107359 (2022).10.1016/j.elecom.2022.107359 ↗
21. Khurram, A., Yan, L., Yin, Y., Zhao, L. & Gallant, B. M. Promoting amine-activated electrochemical CO2 conversion with alkali salts. J. Phys. Chem. C. 123, 18222–18231 (2019).10.1021/acs.jpcc.9b04258 ↗
22. Kuo, F. Y., Jerng, S. E. & Gallant, B. M. Dual salt cation-swing process for electrochemical CO2 separation. ACS Cent. Sci. 9, 1750–1757 (2023).10.1021/acscentsci.3c00692 ↗
23. Dijkstra, Z. J. et al. Formation of carbamic acid in organic solvents and in supercritical carbon dioxide. J. Supercrit. Fluids 41, 109–114 (2007).10.1016/j.supflu.2006.08.012 ↗
24. Kash, B., Gomes, R. & Amanchukwu, C. Mitigating electrode inactivation during CO2 electrocatalysis in aprotic solvents with alkali cations. J. Phys. Chem. Lett. 14, 920–926 (2023).10.1021/acs.jpclett.2c03498 ↗
25. Niu, S., Li, S., Du, Y., Han, X. & Xu, P. How to reliably report the overpotential of an electrocatalyst. ACS Energy Lett. 5, 1083–1087 (2020).10.1021/acsenergylett.0c00321 ↗
26. Won, D. H. et al. Highly efficient, selective, and stable CO2 electroreduction on a hexagonal Zn catalyst. Angew. Chem. 128, 9443–9446 (2016).10.1002/ange.201602888 ↗
27. Rosen, J. et al. Electrodeposited Zn dendrites with enhanced CO selectivity for electrocatalytic CO2 reduction. ACS Catal. 5, 4586–4591 (2015).10.1021/acscatal.5b00922 ↗
28. Ikeda, S., Takagi, T. & Ito, K. Selective formation of formic acid, oxalic acid, and carbon monoxide by electrochemical reduction of carbon dioxide. Bull. Chem. Soc. Jpn 60, 2517–2522 (1987).10.1246/bcsj.60.2517 ↗
29. Bagger, A., Christensen, O., Ivaništšev, V. & Rossmeisl, J. Catalytic CO2/CO reduction: gas, aqueous, and aprotic phases. ACS Catal. 12, 2561–2568 (2022).10.1021/acscatal.1c05358 ↗
30. Welford, P. J. et al. The electro-reduction of carbon dioxide in dimethyl sulfoxide at gold microdisk electrodes: current | voltage waveshape analysis. J. Phys. Chem. B 105, 5253–5261 (2001).10.1021/jp010467b ↗
31. Gomes, R. J. et al. Probing electrolyte influence on CO2 reduction in aprotic solvents. J. Phys. Chem. C. 126, 13595–13606 (2022).10.1021/acs.jpcc.2c03321 ↗
32. Khurram, A., He, M. & Gallant, B. M. Tailoring the discharge reaction in Li-CO2 batteries through incorporation of CO2 capture chemistry. Joule 2, 2649–2666 (2018).10.1016/j.joule.2018.09.002 ↗
33. Xiao, Y. C. et al. Reactive capture of CO2 via amino acid. Nat. Commun. 15, 7849 (2024).10.1038/s41467-024-51908-3 ↗
34. Lu, Q. et al. A selective and efficient electrocatalyst for carbon dioxide reduction. Nat. Commun. 5, 3242 (2014).10.1038/ncomms4242 ↗
35. Barlow, J. M. & Yang, J. Y. Oxygen-stable electrochemical CO2 capture and concentration with quinones using alcohol additives. J. Am. Chem. Soc. 144, 14161–14169 (2022).10.1021/jacs.2c04044 ↗
36. Lazouski, N., Chung, M., Williams, K., Gala, M. L. & Manthiram, K. Non-aqueous gas diffusion electrodes for rapid ammonia synthesis from nitrogen and water-splitting-derived hydrogen. Nat. Catal. 3, 463–469 (2020).10.1038/s41929-020-0455-8 ↗
37. Alie, C., Backham, L., Croiset, E. & Douglas, P. L. Simulation of CO2 capture using MEA scrubbing: a flowsheet decomposition method. Energy Convers. Manag. 46, 475–487 (2005).10.1016/j.enconman.2004.03.003 ↗
38. Omasta, T. J. et al. Beyond 1.0 W cm−2 performance without platinum: the beginning of a new era in anion exchange membrane fuel cells. J. Electrochem. Soc. 165, J3039–J3044 (2018).10.1149/2.0071815jes ↗
39. Rey, A. et al. Amine degradation in CO2 capture. 2. New degradation products of MEA. Pyrazine and alkylpyrazines: analysis, mechanism of formation and toxicity. Int. J. Greenh. Gas. Control 19, 576–583 (2013).10.1016/j.ijggc.2013.10.018 ↗
40. Sharon, D. et al. Oxidation of dimethyl sulfoxide solutions by electrochemical reduction of oxygen. J. Phys. Chem. Lett. 4, 3115–3119 (2013).10.1021/jz4017188 ↗
41. Delima, R. S., Sherbo, R. S., Dvorak, D. J., Kurimoto, A. & Berlinguette, C. P. Supported palladium membrane reactor architecture for electrocatalytic hydrogenation. J. Mater. Chem. A Mater. 7, 26586–26595 (2019).10.1039/C9TA07957B ↗
42. Kresse, G. & Joubert, D. From ultrasoft pseudopotentials to the projector augmented-wave method. Phys. Rev. B 59, 1758 (1999).10.1103/PhysRevB.59.1758 ↗
43. Kresse, G. & Furthmüller, J. Efficient iterative schemes for ab initio total-energy calculations using a plane-wave basis set. Phys. Rev. B 54, 11169 (1996).10.1103/PhysRevB.54.11169 ↗
44. Kresse, G. & Furthmüller, J. Efficiency of ab-initio total energy calculations for metals and semiconductors using a plane-wave basis set. Comput. Mater. Sci. 6, 15–50 (1996).10.1016/0927-0256(96)00008-0 ↗
45. Kresse, G. & Hafner, J. Ab initio molecular dynamics for liquid metals. Phys. Rev. B 47, 558 (1993).10.1103/PhysRevB.47.558 ↗
46. Blöchl, P. E. Projector augmented-wave method. Phys. Rev. B 50, 17953 (1994).10.1103/PhysRevB.50.17953 ↗
47. Perdew, J. P., Burke, K. & Ernzerhof, M. Generalized gradient approximation made simple. Phys. Rev. Lett. 77, 3865 (1996).10.1103/PhysRevLett.77.3865 ↗
48. AmanchukwuLab, Repository for DFT optimized structures and techno-economic analysis workflows supporting reactive CO2 capture in nonaqueous electrolytes. GitHub https://github.com/AmanchukwuLab/reactive-co2-capture-nonaqueous-electrolyte (2024).