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Most electro\u2010swing processes rely on redox\u2010active mediators that are vulnerable to side reactions and stability issues. Herein, we investigate mediator\u2010free electrochemical pH\u2010swing strategies based on Faradaic electrode reactions for the regeneration of amine sorbents. Nanostructured TiO\n                    <jats:sub>2<\/jats:sub>\n                    electrodes with a capability for proton insertion and release enable reversible pH modulation in amine solution and regeneration of the sorbent. However, the extent of amine regeneration is constrained by the proton\u2010storage capacity of the electrode. To resolve this limitation, a conversion\u2010type Bi\/BiOCl redox reaction is employed in the system, where protons are directly generated and consumed during electrochemical cycling. Although this strategy requires the presence of chloride ions in the electrolyte, significantly increased pH\u2010swing capacity and enhanced amine regeneration are achievable. These results demonstrate the feasibilities of Faradaic electrode reactions for the regeneration of the sorbents in amine scrubbing process, which is the current state\u2010of\u2010the\u2010art technology with scalability.\n                  <\/jats:p>","DOI":"10.1002\/smtd.71058","type":"journal-article","created":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T08:42:13Z","timestamp":1790584933000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Faradaic Electro\u2010Swing of pH for Electrochemical Regeneration of Amine Sorbents for CO\n                    <sub>2<\/sub>\n                    Capture"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8250-9307","authenticated-orcid":false,"given":"Seoni","family":"Kim","sequence":"first","affiliation":[{"name":"Department of Chemical Engineering Massachusetts Institute of Technology  Cambridge Massachusetts USA"},{"name":"Department of Environmental Science and Engineering Ewha Womans University  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8894-2630","authenticated-orcid":false,"given":"Jin Soo","family":"Kang","sequence":"additional","affiliation":[{"name":"Department of Chemical Engineering Massachusetts Institute of Technology  Cambridge Massachusetts USA"},{"name":"Department of Energy Systems Engineering Seoul National University  Seoul Republic of Korea"},{"name":"Department of Energy Resources Engineering and Research Institute of Energy and Resources Seoul National University  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ah\u2010hyeong","family":"Ju","sequence":"additional","affiliation":[{"name":"Department of Environmental Science and Engineering Ewha Womans University  Seoul Republic of Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4558-245X","authenticated-orcid":false,"given":"T. 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