{"id":"https://openalex.org/W7225620733","doi":"https://doi.org/10.1021/acssuschemeng.6c09098","title":"Modular Hydrogen-Driven Electrochemical Systems Integrated with a Proton Exchange Membrane Electrolyzer for Dynamic CO2 Capture in Occupied Enclosed Spaces","display_name":"Modular Hydrogen-Driven Electrochemical Systems Integrated with a Proton Exchange Membrane Electrolyzer for Dynamic CO2 Capture in Occupied Enclosed Spaces","publication_year":2026,"publication_date":"2026-11-09","ids":{"openalex":"https://openalex.org/W7225620733","doi":"https://doi.org/10.1021/acssuschemeng.6c09098"},"language":"en","primary_location":{"id":"doi:10.1021/acssuschemeng.6c09098","doi":"https://doi.org/10.1021/acssuschemeng.6c09098","is_oa":false,"landing_page_url":"https://doi.org/10.1021/acssuschemeng.6c09098","pdf_url":null,"source":{"id":"https://openalex.org/S2502047864","display_name":"ACS Sustainable Chemistry & Engineering","issn_l":"2168-0485","issn":["2168-0485"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","ki-jl-1","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACS Sustainable Chemistry & Engineering","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5161351323","display_name":"Jing Wang","orcid":null,"observed_orcids":[]},"institutions":[{"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"],"is_corresponding":false,"raw_author_name":"Jing Wang","raw_affiliation_strings":["University of Shaanxi Province , , ,","Xi\u2019an Jiaotong University , , ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Shaanxi Province , , ,","institution_ids":[]},{"raw_affiliation_string":"Xi\u2019an Jiaotong University , , ,","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085027884","display_name":"Shichang Liu","orcid":"https://orcid.org/0009-0003-3299-840X","observed_orcids":["https://orcid.org/0009-0003-3299-840X"]},"institutions":[{"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"],"is_corresponding":false,"raw_author_name":"Shichang Liu","raw_affiliation_strings":["Xi\u2019an Jiaotong University , , ,"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Xi\u2019an Jiaotong University , , ,","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091217217","display_name":"Yongzhong Liu","orcid":"https://orcid.org/0000-0001-6624-7549","observed_orcids":["https://orcid.org/0000-0001-6624-7549"]},"institutions":[{"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"],"is_corresponding":true,"raw_author_name":"Yongzhong Liu","raw_affiliation_strings":["University of Shaanxi Province , , ,","Xi\u2019an Jiaotong University , , ,"],"raw_orcid":"https://orcid.org/0000-0001-6624-7549","affiliations":[{"raw_affiliation_string":"University of Shaanxi Province , , ,","institution_ids":[]},{"raw_affiliation_string":"Xi\u2019an Jiaotong University , , ,","institution_ids":["https://openalex.org/I87445476"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5091217217"],"corresponding_institution_ids":["https://openalex.org/I87445476"],"apc_list":{"value":4500,"currency":"USD","value_usd":4500},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"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":0.9775000214576721,"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":0.9775000214576721,"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/T11007","display_name":"Hybrid Renewable Energy Systems","score":0.016899999231100082,"subfield":{"id":"https://openalex.org/subfields/2102","display_name":"Energy Engineering and Power Technology"},"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/T11784","display_name":"CO2 Reduction Techniques and Catalysts","score":0.003800000064074993,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/direct-air-capture","display_name":"direct air capture","score":0.8560000061988831},{"id":"https://openalex.org/keywords/proton-exchange-membrane-electrolyzer","display_name":"proton exchange membrane electrolyzer","score":0.9900000095367432},{"id":"https://openalex.org/keywords/water-electrolysis","display_name":"water electrolysis","score":0.8690000176429749},{"id":"https://openalex.org/keywords/modular-design","display_name":"modular design","score":0.7170000076293945},{"id":"https://openalex.org/keywords/enclosed-spaces","display_name":"enclosed spaces","score":0.7509999871253967},{"id":"https://openalex.org/keywords/air-quality-control","display_name":"air quality control","score":0.7080000042915344},{"id":"https://openalex.org/keywords/multi-period-optimization","display_name":"multi-period optimization","score":0.8199999928474426},{"id":"https://openalex.org/keywords/surrogate-modeling","display_name":"surrogate models","score":0.9179999828338623},{"id":"https://openalex.org/keywords/techno-economic-analysis","display_name":"techno-economic analysis","score":0.9200000166893005},{"id":"https://openalex.org/keywords/oxygen-supply","display_name":"oxygen supply","score":0.6700000166893005},{"id":"https://openalex.org/keywords/electron-efficiency","display_name":"electron efficiency","score":0.492000013589859}],"concepts":[{"id":"https://openalex.org/C101468663","wikidata":"https://www.wikidata.org/wiki/Q1620158","display_name":"Modular design","level":2,"score":0.8471999764442444},{"id":"https://openalex.org/C2780598303","wikidata":"https://www.wikidata.org/wiki/Q65921492","display_name":"Flexibility (engineering)","level":2,"score":0.6766999959945679},{"id":"https://openalex.org/C21880701","wikidata":"https://www.wikidata.org/wiki/Q2144042","display_name":"Process engineering","level":1,"score":0.6205999851226807},{"id":"https://openalex.org/C163127949","wikidata":"https://www.wikidata.org/wiki/Q64403","display_name":"Electrolysis","level":4,"score":0.579200029373169},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.41819998621940613},{"id":"https://openalex.org/C132319479","wikidata":"https://www.wikidata.org/wiki/Q899619","display_name":"Proton exchange membrane fuel cell","level":3,"score":0.4097000062465668},{"id":"https://openalex.org/C157062255","wikidata":"https://www.wikidata.org/wiki/Q5035697","display_name":"Capital cost","level":2,"score":0.38119998574256897},{"id":"https://openalex.org/C151201525","wikidata":"https://www.wikidata.org/wiki/Q177239","display_name":"Limit (mathematics)","level":2,"score":0.3564999997615814},{"id":"https://openalex.org/C100729193","wikidata":"https://www.wikidata.org/wiki/Q17105319","display_name":"Polymer electrolyte membrane electrolysis","level":5,"score":0.35510000586509705},{"id":"https://openalex.org/C48256821","wikidata":"https://www.wikidata.org/wiki/Q903456","display_name":"Electrolysis of water","level":5,"score":0.33660000562667847},{"id":"https://openalex.org/C148043351","wikidata":"https://www.wikidata.org/wiki/Q4456944","display_name":"Current (fluid)","level":2,"score":0.3352999985218048},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.32499998807907104},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3174999952316284},{"id":"https://openalex.org/C2778588580","wikidata":"https://www.wikidata.org/wiki/Q6043060","display_name":"Integrated design","level":2,"score":0.31540000438690186},{"id":"https://openalex.org/C14518398","wikidata":"https://www.wikidata.org/wiki/Q12646543","display_name":"Power to gas","level":5,"score":0.29159998893737793},{"id":"https://openalex.org/C52859227","wikidata":"https://www.wikidata.org/wiki/Q7877","display_name":"Electrochemistry","level":3,"score":0.2802000045776367},{"id":"https://openalex.org/C133731056","wikidata":"https://www.wikidata.org/wiki/Q4917288","display_name":"Control engineering","level":1,"score":0.26489999890327454},{"id":"https://openalex.org/C172120300","wikidata":"https://www.wikidata.org/wiki/Q1134348","display_name":"Volumetric flow rate","level":2,"score":0.2639999985694885},{"id":"https://openalex.org/C2780615140","wikidata":"https://www.wikidata.org/wiki/Q920419","display_name":"Upgrade","level":2,"score":0.262800008058548},{"id":"https://openalex.org/C31352089","wikidata":"https://www.wikidata.org/wiki/Q3750474","display_name":"Systems design","level":2,"score":0.2574999928474426},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.2540999948978424},{"id":"https://openalex.org/C38349280","wikidata":"https://www.wikidata.org/wiki/Q1434290","display_name":"Flow (mathematics)","level":2,"score":0.2526000142097473}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1021/acssuschemeng.6c09098","doi":"https://doi.org/10.1021/acssuschemeng.6c09098","is_oa":false,"landing_page_url":"https://doi.org/10.1021/acssuschemeng.6c09098","pdf_url":null,"source":{"id":"https://openalex.org/S2502047864","display_name":"ACS Sustainable Chemistry & Engineering","issn_l":"2168-0485","issn":["2168-0485"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","jufo-1","ki-jl-1","norway-1","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ACS Sustainable Chemistry & Engineering","raw_type":"journal-article"}],"best_oa_location":null,"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/9","score":0.4943999946117401,"display_name":"Industry, innovation and infrastructure"}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320336350","display_name":"Key Research and Development Projects of Shaanxi Province","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":37,"referenced_works":["https://openalex.org/W1218133119","https://openalex.org/W2885092484","https://openalex.org/W2962447760","https://openalex.org/W3084137957","https://openalex.org/W3113995409","https://openalex.org/W3162452304","https://openalex.org/W4200167717","https://openalex.org/W4220946775","https://openalex.org/W4220997946","https://openalex.org/W4283266360","https://openalex.org/W4293491649","https://openalex.org/W4381597473","https://openalex.org/W4382401102","https://openalex.org/W4384007271","https://openalex.org/W4386154555","https://openalex.org/W4386799942","https://openalex.org/W4387113883","https://openalex.org/W4387662421","https://openalex.org/W4387849686","https://openalex.org/W4391642823","https://openalex.org/W4392580976","https://openalex.org/W4395043396","https://openalex.org/W4399523335","https://openalex.org/W4400088422","https://openalex.org/W4401610315","https://openalex.org/W4403338665","https://openalex.org/W4404112312","https://openalex.org/W4405542664","https://openalex.org/W4405894945","https://openalex.org/W4406287452","https://openalex.org/W4406610457","https://openalex.org/W4407740582","https://openalex.org/W4407803242","https://openalex.org/W4409568430","https://openalex.org/W4409589032","https://openalex.org/W4411966768","https://openalex.org/W7116683616"],"related_works":["https://openalex.org/W7221366941","https://openalex.org/W7168516607","https://openalex.org/W4283266360","https://openalex.org/W4414715091","https://openalex.org/W7204449280","https://openalex.org/W7134908224","https://openalex.org/W4400033453","https://openalex.org/W7140105208","https://openalex.org/W4401459321","https://openalex.org/W4210334325"],"abstract_inverted_index":{"Abstract":[0],"Hydrogen-driven":[1],"electrochemical":[2,47],"CO2":[3,48,63,157,170,199],"capture":[4,14,49,64],"systems":[5,224],"(HECCS)":[6],"offer":[7],"a":[8,44,53,100],"promising":[9],"technology":[10],"for":[11,61,99,183,217],"direct":[12],"air":[13,221],"(DAC).":[15],"However,":[16],"the":[17,32,36,79,86,91,115,122,146,163,168,178,188,194,205,218,227],"coordinated":[18],"operation":[19,89],"of":[20,35,75,90,97,114,139,156,162,191,220],"HECCS":[21,76,192,228],"with":[22,52,72,174,230],"water":[23],"electrolysis":[24],"under":[25,153],"dynamic":[26],"conditions":[27],"poses":[28],"significant":[29],"challenges,":[30],"and":[31,78,88,136,142,181,201,214],"system-level":[33],"optimization":[34,70,215],"integrated":[37,51,92,116,164,229],"system":[38,50,147,165],"remains":[39],"unexplored.":[40],"In":[41],"this":[42],"work,":[43],"modular":[45,123],"hydrogen-driven":[46],"proton":[54],"exchange":[55],"membrane":[56],"(PEM)":[57],"electrolyzer":[58,81],"is":[59,82,108],"proposed":[60],"time-varying":[62,154],"in":[65,204],"enclosed":[66,103,207],"spaces.":[67],"A":[68,94],"multiperiod":[69],"framework":[71],"surrogate":[73],"models":[74],"modules":[77],"PEM":[80,231],"developed":[83],"to":[84,110,148],"optimize":[85],"design":[87,219],"system.":[93,117],"case":[95],"study":[96],"DAC":[98],"600":[101],"m3":[102],"space":[104],"accommodating":[105],"50":[106],"occupants":[107],"exemplified":[109],"evaluate":[111],"techno-economic":[112],"performances":[113],"The":[118,159],"results":[119],"demonstrate":[120],"that":[121],"configuration":[124],"enhances":[125],"operational":[126,175],"flexibility":[127],"by":[128,225],"enabling":[129],"adjustable":[130],"module":[131],"on/off":[132],"states,":[133],"series\u2013parallel":[134],"configurations,":[135],"independent":[137],"regulation":[138],"gas":[140],"flow":[141],"current":[143],"density,":[144],"allowing":[145],"maintain":[149],"high":[150],"electron":[151],"efficiency":[152],"demands":[155],"removal.":[158],"total":[160,179],"cost":[161,180],"increases":[166],"as":[167],"allowable":[169],"concentration":[171],"limit":[172],"decreases,":[173],"costs":[176],"dominating":[177],"accounting":[182],"about":[184],"three":[185],"quarters,":[186],"whereas":[187],"capital":[189],"expenditure":[190],"shares":[193],"smallest":[195],"portion.":[196],"For":[197],"simultaneous":[198],"removal":[200],"O2":[202],"supply":[203],"occupied":[206],"space,":[208],"these":[209],"findings":[210],"provide":[211],"deep":[212],"insights":[213],"guidance":[216],"quality":[222],"control":[223],"using":[226],"electrolysis.":[232]},"counts_by_year":[],"updated_date":"2026-11-11T12:16:26.678958","created_date":"2026-11-10T00:00:00"}