{"id":"https://openalex.org/W7214099397","doi":"https://doi.org/10.26434/chemrxiv.15009321/v1","title":"Continuous carbon capture and release using an aqueous oxygen-tolerant redox electrolyte in symmetric flow cells","display_name":"Continuous carbon capture and release using an aqueous oxygen-tolerant redox electrolyte in symmetric flow cells","publication_year":2026,"publication_date":"2026-09-22","ids":{"openalex":"https://openalex.org/W7214099397","doi":"https://doi.org/10.26434/chemrxiv.15009321/v1"},"language":"en","primary_location":{"id":"doi:10.26434/chemrxiv.15009321/v1","doi":"https://doi.org/10.26434/chemrxiv.15009321/v1","is_oa":true,"landing_page_url":"https://doi.org/10.26434/chemrxiv.15009321/v1","pdf_url":"https://chemrxiv.org/doi/pdf/10.26434/chemrxiv.15009321/v1","source":{"id":"https://openalex.org/S4393918830","display_name":"ChemRxiv","issn_l":"2573-2293","issn":["2573-2293"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://chemrxiv.org/doi/pdf/10.26434/chemrxiv.15009321/v1","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101771361","display_name":"Xingqi Wang","orcid":"https://orcid.org/0000-0002-6776-0659","observed_orcids":["https://orcid.org/0000-0002-6776-0659"]},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Xingqi Wang","raw_affiliation_strings":["Materials Science and Engineering","National University of Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Materials Science and Engineering","institution_ids":[]},{"raw_affiliation_string":"National University of Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5016500244","display_name":"Juwen Su","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]},{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN","SG"],"is_corresponding":false,"raw_author_name":"Juwen Su","raw_affiliation_strings":["Materials Science and Engineering","National Innovation Platform (Center) for Industry-Education Integration of Energy Storage Technology & Key Laboratory of Thermo-Fluid Science and Engineering of MOE, School of Energy and Power Engineering","National University of Singapore","Xi\u2019an Jiaotong University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Materials Science and Engineering","institution_ids":[]},{"raw_affiliation_string":"National Innovation Platform (Center) for Industry-Education Integration of Energy Storage Technology & Key Laboratory of Thermo-Fluid Science and Engineering of MOE, School of Energy and Power Engineering","institution_ids":[]},{"raw_affiliation_string":"National University of Singapore","institution_ids":["https://openalex.org/I165932596"]},{"raw_affiliation_string":"Xi\u2019an Jiaotong University","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005236629","display_name":"Kaiping Zhu","orcid":"https://orcid.org/0009-0009-1561-7787","observed_orcids":["https://orcid.org/0009-0009-1561-7787"]},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Kaiping Zhu","raw_affiliation_strings":["Materials Science and Engineering","National University of Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Materials Science and Engineering","institution_ids":[]},{"raw_affiliation_string":"National University of Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5152534074","display_name":"Xinglei Zhao","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I98227222","display_name":"China National Petroleum Corporation (China)","ror":"https://ror.org/05269d038","country_code":"CN","type":"company","lineage":["https://openalex.org/I98227222"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinglei Zhao","raw_affiliation_strings":["CNPC Research Institute of Safety & Environmental Protection Technology Co., Ltd"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CNPC Research Institute of Safety & Environmental Protection Technology Co., Ltd","institution_ids":["https://openalex.org/I98227222"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060861639","display_name":"Liuchuan Tong","orcid":"https://orcid.org/0000-0001-6211-6322","observed_orcids":["https://orcid.org/0000-0001-6211-6322"]},"institutions":[{"id":"https://openalex.org/I2250653659","display_name":"Tencent (China)","ror":"https://ror.org/00hhjss72","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250653659"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liuchuan Tong","raw_affiliation_strings":["Strategy Development Department","Tencent"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Strategy Development Department","institution_ids":[]},{"raw_affiliation_string":"Tencent","institution_ids":["https://openalex.org/I2250653659"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008415127","display_name":"Yan Jing","orcid":"https://orcid.org/0000-0002-5669-4609","observed_orcids":["https://orcid.org/0000-0002-5669-4609"]},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Yan Jing","raw_affiliation_strings":["Center for Research on Electrochemical Systems and Technologies","Materials Science and Engineering","National University of Singapore"],"raw_orcid":"https://orcid.org/0000-0002-5669-4609","affiliations":[{"raw_affiliation_string":"Center for Research on Electrochemical Systems and Technologies","institution_ids":[]},{"raw_affiliation_string":"Materials Science and Engineering","institution_ids":[]},{"raw_affiliation_string":"National University of Singapore","institution_ids":["https://openalex.org/I165932596"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10967","display_name":"Carbon Dioxide Capture Technologies","score":0.9731000065803528,"subfield":{"id":"https://openalex.org/subfields/1506","display_name":"Filtration and Separation"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10967","display_name":"Carbon Dioxide Capture Technologies","score":0.9731000065803528,"subfield":{"id":"https://openalex.org/subfields/1506","display_name":"Filtration and Separation"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11784","display_name":"CO2 Reduction Techniques and Catalysts","score":0.023600000888109207,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11302","display_name":"CO2 Sequestration and Geologic Interactions","score":0.0013000000035390258,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/electrochemical-co2-capture","display_name":"electrochemical CO2 capture","score":0.9959999918937683},{"id":"https://openalex.org/keywords/co2-release","display_name":"CO2 release","score":0.7870000004768372},{"id":"https://openalex.org/keywords/redox-active-molecules","display_name":"redox-active molecules","score":0.7580000162124634},{"id":"https://openalex.org/keywords/proton-coupled-electron-transfer","display_name":"proton-coupled electron transfer","score":0.9020000100135803},{"id":"https://openalex.org/keywords/flue-gas","display_name":"flue gas","score":0.6330000162124634},{"id":"https://openalex.org/keywords/elevated-co2","display_name":"elevated CO2","score":0.7139999866485596},{"id":"https://openalex.org/keywords/techno-economic-analysis","display_name":"techno-economic analysis","score":0.8230000138282776}],"concepts":[{"id":"https://openalex.org/C52859227","wikidata":"https://www.wikidata.org/wiki/Q7877","display_name":"Electrochemistry","level":3,"score":0.6240000128746033},{"id":"https://openalex.org/C68801617","wikidata":"https://www.wikidata.org/wiki/Q162908","display_name":"Electrolyte","level":3,"score":0.5439000129699707},{"id":"https://openalex.org/C167206829","wikidata":"https://www.wikidata.org/wiki/Q2556360","display_name":"Flue gas","level":2,"score":0.5070000290870667},{"id":"https://openalex.org/C42360764","wikidata":"https://www.wikidata.org/wiki/Q83588","display_name":"Chemical engineering","level":1,"score":0.5022000074386597},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.47350001335144043},{"id":"https://openalex.org/C184651966","wikidata":"https://www.wikidata.org/wiki/Q906356","display_name":"Aqueous solution","level":2,"score":0.45719999074935913},{"id":"https://openalex.org/C55904794","wikidata":"https://www.wikidata.org/wiki/Q82682","display_name":"Redox","level":2,"score":0.4318000078201294},{"id":"https://openalex.org/C135473242","wikidata":"https://www.wikidata.org/wiki/Q4147614","display_name":"Oxygen evolution","level":4,"score":0.39160001277923584},{"id":"https://openalex.org/C123669783","wikidata":"https://www.wikidata.org/wiki/Q902898","display_name":"Electron transfer","level":2,"score":0.36309999227523804},{"id":"https://openalex.org/C2779679103","wikidata":"https://www.wikidata.org/wiki/Q5251805","display_name":"Degradation (telecommunications)","level":2,"score":0.36059999465942383},{"id":"https://openalex.org/C17525397","wikidata":"https://www.wikidata.org/wiki/Q176140","display_name":"Electrode","level":2,"score":0.3483999967575073},{"id":"https://openalex.org/C540031477","wikidata":"https://www.wikidata.org/wiki/Q629","display_name":"Oxygen","level":2,"score":0.34360000491142273},{"id":"https://openalex.org/C18762648","wikidata":"https://www.wikidata.org/wiki/Q42213","display_name":"Work (physics)","level":2,"score":0.335999995470047},{"id":"https://openalex.org/C73916439","wikidata":"https://www.wikidata.org/wiki/Q837718","display_name":"Energy storage","level":3,"score":0.3352999985218048},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.32820001244544983},{"id":"https://openalex.org/C140205800","wikidata":"https://www.wikidata.org/wiki/Q5860","display_name":"Carbon fibers","level":3,"score":0.3140999972820282},{"id":"https://openalex.org/C172120300","wikidata":"https://www.wikidata.org/wiki/Q1134348","display_name":"Volumetric flow rate","level":2,"score":0.31029999256134033},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.30799999833106995},{"id":"https://openalex.org/C179104552","wikidata":"https://www.wikidata.org/wiki/Q11165","display_name":"Inorganic chemistry","level":1,"score":0.30059999227523804},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2775000035762787},{"id":"https://openalex.org/C206658404","wikidata":"https://www.wikidata.org/wiki/Q12725","display_name":"Electricity","level":2,"score":0.27230000495910645},{"id":"https://openalex.org/C2779647737","wikidata":"https://www.wikidata.org/wiki/Q190878","display_name":"Activated carbon","level":3,"score":0.2671000063419342},{"id":"https://openalex.org/C24840226","wikidata":"https://www.wikidata.org/wiki/Q211016","display_name":"Electron transport chain","level":2,"score":0.26510000228881836},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.2590000033378601},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.2524000108242035}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.26434/chemrxiv.15009321/v1","doi":"https://doi.org/10.26434/chemrxiv.15009321/v1","is_oa":true,"landing_page_url":"https://doi.org/10.26434/chemrxiv.15009321/v1","pdf_url":"https://chemrxiv.org/doi/pdf/10.26434/chemrxiv.15009321/v1","source":{"id":"https://openalex.org/S4393918830","display_name":"ChemRxiv","issn_l":"2573-2293","issn":["2573-2293"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"}],"best_oa_location":{"id":"doi:10.26434/chemrxiv.15009321/v1","doi":"https://doi.org/10.26434/chemrxiv.15009321/v1","is_oa":true,"landing_page_url":"https://doi.org/10.26434/chemrxiv.15009321/v1","pdf_url":"https://chemrxiv.org/doi/pdf/10.26434/chemrxiv.15009321/v1","source":{"id":"https://openalex.org/S4393918830","display_name":"ChemRxiv","issn_l":"2573-2293","issn":["2573-2293"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/13","score":1.0,"display_name":"Climate action"},{"id":"https://metadata.un.org/sdg/7","score":0.9853000044822693,"display_name":"Affordable and clean energy"},{"id":"https://metadata.un.org/sdg/12","score":0.5171999931335449,"display_name":"Responsible consumption and production"}],"study_designs":[],"awards":[{"id":"https://openalex.org/G4070917339","display_name":null,"funder_award_id":"Tier 1","funder_id":"https://openalex.org/F4320320698","funder_display_name":"National University of Singapore"}],"funders":[{"id":"https://openalex.org/F4320320698","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7214099397.pdf","grobid_xml":"https://content.openalex.org/works/W7214099397.grobid-xml"},"referenced_works_count":36,"referenced_works":["https://openalex.org/W2076949647","https://openalex.org/W2508859475","https://openalex.org/W2784681531","https://openalex.org/W2806520197","https://openalex.org/W3021364074","https://openalex.org/W3027271430","https://openalex.org/W3085500637","https://openalex.org/W3097935404","https://openalex.org/W3110994556","https://openalex.org/W4200489522","https://openalex.org/W4226149032","https://openalex.org/W4288035856","https://openalex.org/W4296109089","https://openalex.org/W4296691509","https://openalex.org/W4298086901","https://openalex.org/W4305015939","https://openalex.org/W4317433478","https://openalex.org/W4381597473","https://openalex.org/W4386710976","https://openalex.org/W4387420076","https://openalex.org/W4388583698","https://openalex.org/W4391650684","https://openalex.org/W4400112277","https://openalex.org/W4405419526","https://openalex.org/W4405894945","https://openalex.org/W4406931123","https://openalex.org/W4410543532","https://openalex.org/W4412583800","https://openalex.org/W4413409847","https://openalex.org/W4416576209","https://openalex.org/W4417256392","https://openalex.org/W4417279334","https://openalex.org/W7136804892","https://openalex.org/W7147309131","https://openalex.org/W7161162945","https://openalex.org/W7167042264"],"related_works":["https://openalex.org/W7203683363","https://openalex.org/W4382363386","https://openalex.org/W4386769347","https://openalex.org/W7165657102","https://openalex.org/W4406931123","https://openalex.org/W4405894945","https://openalex.org/W4406913561","https://openalex.org/W4309811780","https://openalex.org/W7113020858","https://openalex.org/W4417279334"],"abstract_inverted_index":{"Electrochemical":[0],"CO2":[1,44,69,74,92,146,197],"capture":[2,147],"provides":[3],"a":[4,34,58,109,186],"promising":[5],"pathway":[6,112],"for":[7,41,195],"carbon":[8],"management":[9],"under":[10,85,156,199],"ambient":[11],"conditions,":[12],"yet":[13],"practical":[14],"deployment":[15],"remains":[16],"limited":[17],"by":[18,98,128],"system":[19,77],"complexity":[20],"and":[21,29,54,73,81,125,148,190],"energy":[22,115],"losses":[23],"associated":[24,175],"with":[25,176],"oxygen":[26,83],"sensitivity,":[27],"crossover,":[28],"overpotentials.":[30],"Here":[31],"we":[32],"report":[33],"fluoflavine":[35],"disulfonate":[36],"(FFDS)-based":[37],"symmetric":[38,47,192],"flow":[39],"reactor":[40],"continuous":[42,196],"electrochemical":[43,65,193],"capture.":[45],"The":[46,76],"configuration":[48],"generates":[49],"spatially":[50],"separated":[51],"alkaline":[52],"catholyte":[53],"acidic":[55],"anolyte":[56],"through":[57,122],"proton-coupled":[59],"electron":[60,154],"transfer":[61],"process,":[62],"enabling":[63],"simultaneous":[64,145],"regeneration":[66],"of":[67],"sorbent,":[68],"absorption":[70],"as":[71,108,167],"(bi)carbonate,":[72],"release.":[75],"demonstrates":[78],"excellent":[79],"stability":[80],"high":[82],"tolerance":[84],"simulated":[86],"flue":[87],"gas":[88],"conditions.":[89,159,202],"Furthermore,":[90],"the":[91,100,168,173,177],"release":[93,149,158],"rate":[94],"can":[95,119],"be":[96,120],"regulated":[97],"varying":[99],"applied":[101],"current":[102],"density.":[103],"Proton":[104],"crossover":[105],"is":[106,180],"identified":[107],"parasitic":[110],"transport":[111],"that":[113],"compromises":[114],"efficiency.":[116],"Its":[117],"impact":[118],"mitigated":[121],"buffer":[123],"regulation":[124],"ultimately":[126],"eliminated":[127],"using":[129],"an":[130],"industrial":[131],"packed":[132],"column":[133],"to":[134],"maximize":[135],"gas\u2013liquid":[136],"contact.":[137],"An":[138],"isolated":[139],"dual-loop":[140],"cycling":[141],"mode":[142],"further":[143],"enables":[144],"throughout":[150],"charge\u2013discharge":[151],"cycling,":[152],"improving":[153],"utilization":[155],"pure-CO2":[157],"A":[160],"preliminary":[161],"techno-economic":[162],"analysis":[163],"identifies":[164],"electricity":[165],"consumption":[166],"dominant":[169],"cost":[170,174],"contributor,":[171],"while":[172],"redox-active":[178],"molecule":[179],"negligible.":[181],"Overall,":[182],"this":[183],"work":[184],"establishes":[185],"compact,":[187],"modular,":[188],"plug":[189],"play":[191],"platform":[194],"enrichment":[198],"near-practical":[200],"operating":[201]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2026-09-24T00:00:00"}
