{"id":"https://openalex.org/W7212258196","doi":"https://doi.org/10.26434/chemrxiv-2025-kpc2c/v4","title":"Acidic local environments inhibit CO2 reduction catalysis on coinage metals","display_name":"Acidic local environments inhibit CO2 reduction catalysis on coinage metals","publication_year":2026,"publication_date":"2026-09-10","ids":{"openalex":"https://openalex.org/W7212258196","doi":"https://doi.org/10.26434/chemrxiv-2025-kpc2c/v4"},"language":"en","primary_location":{"id":"doi:10.26434/chemrxiv-2025-kpc2c/v4","doi":"https://doi.org/10.26434/chemrxiv-2025-kpc2c/v4","is_oa":true,"landing_page_url":"https://doi.org/10.26434/chemrxiv-2025-kpc2c/v4","pdf_url":"https://chemrxiv.org/doi/pdf/10.26434/chemrxiv-2025-kpc2c/v4","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":"submittedVersion","is_accepted":false,"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-2025-kpc2c/v4","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5107925295","display_name":"Max Joshua H\u00fclsey","orcid":"https://orcid.org/0000-0002-9894-0492","observed_orcids":["https://orcid.org/0000-0002-9894-0492"]},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Max J. H\u00fclsey","raw_affiliation_strings":["Technical University of Munich"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Technical University of Munich","institution_ids":["https://openalex.org/I62916508"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086830395","display_name":"Bryan Y. Tang","orcid":"https://orcid.org/0009-0004-0549-0747","observed_orcids":["https://orcid.org/0009-0004-0549-0747"]},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Bryan Y. Tang","raw_affiliation_strings":["Massachusetts Institute of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Massachusetts Institute of Technology","institution_ids":["https://openalex.org/I63966007"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035479576","display_name":"Sophia Weng","orcid":"https://orcid.org/0000-0002-9055-1732","observed_orcids":["https://orcid.org/0000-0002-9055-1732"]},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sophia Weng","raw_affiliation_strings":["Massachusetts Institute of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Massachusetts Institute of Technology","institution_ids":["https://openalex.org/I63966007"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5021899292","display_name":"Yogesh Surendranath","orcid":"https://orcid.org/0000-0003-1016-3420","observed_orcids":["https://orcid.org/0000-0003-1016-3420"]},"institutions":[{"id":"https://openalex.org/I63966007","display_name":"Massachusetts Institute of Technology","ror":"https://ror.org/042nb2s44","country_code":"US","type":"education","lineage":["https://openalex.org/I63966007"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Yogesh Surendranath","raw_affiliation_strings":["Massachusetts Institute of Technology"],"raw_orcid":"https://orcid.org/0000-0003-1016-3420","affiliations":[{"raw_affiliation_string":"Massachusetts Institute of Technology","institution_ids":["https://openalex.org/I63966007"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"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/T11784","display_name":"CO2 Reduction Techniques and Catalysts","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11784","display_name":"CO2 Reduction Techniques and Catalysts","score":1.0,"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/T10030","display_name":"Electrocatalysts for Energy Conversion","score":0.0,"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/T11593","display_name":"Carbon dioxide utilization in catalysis","score":0.0,"subfield":{"id":"https://openalex.org/subfields/1508","display_name":"Process Chemistry and Technology"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/electrochemical-co2-reduction","display_name":"electrochemical CO2 reduction","score":0.9610000252723694},{"id":"https://openalex.org/keywords/acidic-electrolyte","display_name":"acidic electrolyte","score":0.9679999947547913},{"id":"https://openalex.org/keywords/carbonate-formation","display_name":"carbonate formation","score":0.8330000042915344},{"id":"https://openalex.org/keywords/hydrogen-evolution-reaction","display_name":"hydrogen evolution reaction","score":0.5519999861717224},{"id":"https://openalex.org/keywords/silver-catalysts","display_name":"silver catalysts","score":0.5230000019073486},{"id":"https://openalex.org/keywords/pt-doping","display_name":"platinum doping","score":0.7799999713897705},{"id":"https://openalex.org/keywords/cooh-intermediate","display_name":"COOH intermediate","score":0.6759999990463257},{"id":"https://openalex.org/keywords/reaction-mechanism","display_name":"reaction mechanism","score":0.6549999713897705},{"id":"https://openalex.org/keywords/differential-electrochemical-mass-spectrometry","display_name":"differential electrochemical mass spectrometry","score":0.7310000061988831}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.8392000198364258},{"id":"https://openalex.org/C68801617","wikidata":"https://www.wikidata.org/wiki/Q162908","display_name":"Electrolyte","level":3,"score":0.8156999945640564},{"id":"https://openalex.org/C2777325023","wikidata":"https://www.wikidata.org/wiki/Q849881","display_name":"Hydronium","level":3,"score":0.7351999878883362},{"id":"https://openalex.org/C186460083","wikidata":"https://www.wikidata.org/wiki/Q333853","display_name":"Overpotential","level":4,"score":0.7027999758720398},{"id":"https://openalex.org/C179104552","wikidata":"https://www.wikidata.org/wiki/Q11165","display_name":"Inorganic chemistry","level":1,"score":0.6780999898910522},{"id":"https://openalex.org/C52859227","wikidata":"https://www.wikidata.org/wiki/Q7877","display_name":"Electrochemistry","level":3,"score":0.6624000072479248},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.510699987411499},{"id":"https://openalex.org/C130349721","wikidata":"https://www.wikidata.org/wiki/Q5434705","display_name":"Faraday efficiency","level":4,"score":0.46939998865127563},{"id":"https://openalex.org/C2779603750","wikidata":"https://www.wikidata.org/wiki/Q904093","display_name":"Voltammetry","level":4,"score":0.44119998812675476},{"id":"https://openalex.org/C2777869211","wikidata":"https://www.wikidata.org/wiki/Q1147647","display_name":"Cyclic voltammetry","level":4,"score":0.4318999946117401},{"id":"https://openalex.org/C30095370","wikidata":"https://www.wikidata.org/wiki/Q899488","display_name":"Protonation","level":3,"score":0.4239000082015991},{"id":"https://openalex.org/C2779896888","wikidata":"https://www.wikidata.org/wiki/Q11498818","display_name":"Supporting electrolyte","level":4,"score":0.3937999904155731},{"id":"https://openalex.org/C102931765","wikidata":"https://www.wikidata.org/wiki/Q189673","display_name":"Dissociation (chemistry)","level":2,"score":0.39250001311302185},{"id":"https://openalex.org/C2182769","wikidata":"https://www.wikidata.org/wiki/Q62500","display_name":"Ionic bonding","level":3,"score":0.3693000078201294},{"id":"https://openalex.org/C17365422","wikidata":"https://www.wikidata.org/wiki/Q664231","display_name":"Disproportionation","level":3,"score":0.3027999997138977},{"id":"https://openalex.org/C65024703","wikidata":"https://www.wikidata.org/wiki/Q373406","display_name":"Reaction mechanism","level":3,"score":0.2782999873161316},{"id":"https://openalex.org/C17525397","wikidata":"https://www.wikidata.org/wiki/Q176140","display_name":"Electrode","level":2,"score":0.27090001106262207},{"id":"https://openalex.org/C187428577","wikidata":"https://www.wikidata.org/wiki/Q898396","display_name":"Ionic strength","level":3,"score":0.2703999876976013},{"id":"https://openalex.org/C2781060269","wikidata":"https://www.wikidata.org/wiki/Q3587619","display_name":"Rotating disk electrode","level":5,"score":0.2653999924659729},{"id":"https://openalex.org/C191015642","wikidata":"https://www.wikidata.org/wiki/Q1132459","display_name":"Fragmentation (computing)","level":2,"score":0.2653000056743622}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.26434/chemrxiv-2025-kpc2c/v4","doi":"https://doi.org/10.26434/chemrxiv-2025-kpc2c/v4","is_oa":true,"landing_page_url":"https://doi.org/10.26434/chemrxiv-2025-kpc2c/v4","pdf_url":"https://chemrxiv.org/doi/pdf/10.26434/chemrxiv-2025-kpc2c/v4","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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"}],"best_oa_location":{"id":"doi:10.26434/chemrxiv-2025-kpc2c/v4","doi":"https://doi.org/10.26434/chemrxiv-2025-kpc2c/v4","is_oa":true,"landing_page_url":"https://doi.org/10.26434/chemrxiv-2025-kpc2c/v4","pdf_url":"https://chemrxiv.org/doi/pdf/10.26434/chemrxiv-2025-kpc2c/v4","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":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"posted-content"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.75},{"id":"https://metadata.un.org/sdg/13","display_name":"Climate action","score":0.5351999998092651}],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306084","display_name":"U.S. Department of Energy","ror":"https://ror.org/01bj3aw27"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7212258196.pdf","grobid_xml":"https://content.openalex.org/works/W7212258196.grobid-xml"},"referenced_works_count":33,"referenced_works":["https://openalex.org/W1999524807","https://openalex.org/W2063031338","https://openalex.org/W2159180604","https://openalex.org/W2337796977","https://openalex.org/W2504441095","https://openalex.org/W2517552393","https://openalex.org/W2764155932","https://openalex.org/W2908584685","https://openalex.org/W2949914287","https://openalex.org/W2985659122","https://openalex.org/W3005555736","https://openalex.org/W3005814135","https://openalex.org/W3116535123","https://openalex.org/W3165555416","https://openalex.org/W3183385567","https://openalex.org/W3205163903","https://openalex.org/W4206828031","https://openalex.org/W4206985594","https://openalex.org/W4210832277","https://openalex.org/W4211095005","https://openalex.org/W4225523429","https://openalex.org/W4253213441","https://openalex.org/W4285212889","https://openalex.org/W4306178559","https://openalex.org/W4385186639","https://openalex.org/W4390614569","https://openalex.org/W4391312123","https://openalex.org/W4391771375","https://openalex.org/W4394608914","https://openalex.org/W4396917646","https://openalex.org/W4399684429","https://openalex.org/W4406231824","https://openalex.org/W4410374480"],"related_works":["https://openalex.org/W4408689563","https://openalex.org/W4394957910","https://openalex.org/W4200184261","https://openalex.org/W4402079324","https://openalex.org/W4225418323","https://openalex.org/W7167827747","https://openalex.org/W4402189565","https://openalex.org/W4391771375","https://openalex.org/W7128790059","https://openalex.org/W4210538176"],"abstract_inverted_index":{"The":[0],"carbon-efficient":[1],"electrochemical":[2,66],"reduction":[3],"of":[4,39,71,97,106,139,196,205,235,270,275],"CO":[5,16,21,28,72,82,86,91,131,145,167,197,251,262,289],"2":[6,8,17,22,29,73,83,87,92,132,146,159,168,198,252,258,263,290],"(CO":[7],"RR)":[9],"requires":[10],"acidic":[11,35,60,229,294],"electrolytes":[12,36,61],"to":[13,152,162,211,250,256],"mitigate":[14],"irreversible":[15],"capture":[18],"via":[19,85,94,156],"non-faradaic":[20,90,144,279],"uptake":[23],"and":[24,42,75,89,128,141,200,242,253,278,282],"(bi)carbonate":[25,98],"formation.":[26,77],"However,":[27],"RR":[30,133,169,291],"only":[31,135],"takes":[32],"place":[33],"in":[34,58,62,99,115,171,219,292],"upon":[37,136],"addition":[38],"spectator":[40],"cations":[41,110,209],"the":[43,95,103,107,164,202,206,233,268],"mechanistic":[44,286],"basis":[45],"for":[46,166,288],"this":[47,244],"requirement":[48],"remains":[49],"unclear.":[50],"Herein,":[51],"we":[52,101,226],"present":[53],"scanning":[54,172],"voltammetry":[55,173],"experiments":[56,174],"conducted":[57],"bulk":[59,293],"conjunction":[63],"with":[64,143,150],"differential":[65],"mass":[67],"spectrometry":[68],"(DEMS)":[69],"analysis":[70,274],"consumption":[74,84,93,155],"product":[76],"By":[78],"quantifying":[79],"both":[80,276],"faradaic":[81,277],"RR,":[88,199],"formation":[96,234],"real-time,":[100],"deconvolute":[102],"direct":[104],"role":[105,114,204],"added":[108],"electrolyte":[109,129,208],"from":[111],"their":[112],"indirect":[113],"fostering":[116],"a":[117,188,194,213,284],"transient":[118],"local":[119],"pH":[120,185,230],"swing.":[121],"We":[122],"find":[123],"that":[124,182,201,228,243],"across":[125],"coinage":[126],"metals":[127],"compositions,":[130],"commences":[134],"substantial":[137],"depletion":[138],"hydronium":[140,154,220],"coincides":[142],"uptake.":[147],"Doping":[148],"Ag":[149],"Pt":[151],"promote":[153],"efficient":[157],"H":[158,257],"evolution":[160],"serves":[161],"lower":[163],"overpotential":[165],"onset":[170],"by":[175],"~1":[176],"V.":[177],"These":[178],"findings":[179],"together":[180],"indicate":[181],"an":[183],"interfacial":[184,215,280],"swing":[186],"is":[187,210],"pre-requisite":[189],"for,":[190],"rather":[191,237],"than":[192,238],"merely":[193],"consequence":[195],"primary":[203],"supporting":[207],"establish":[212],"non-equilibrium":[214],"ionic":[216],"environment":[217],"depleted":[218],"ions.":[221],"To":[222],"rationalize":[223],"these":[224],"findings,":[225],"propose":[227],"environments":[231],"foster":[232],"*COOH,":[236],"*COO":[239],"\u2212":[240],",":[241],"protonated":[245],"intermediate":[246],"undergoes":[247],"unproductive":[248],"fragmentation":[249],"H*,":[254],"contributing":[255],"evolution,":[259],"but":[260],"not":[261],"RR.":[264],"This":[265],"work":[266],"highlights":[267],"value":[269],"pre-steady":[271],"state":[272],"real-time":[273],"reactions":[281],"establishes":[283],"self-consistent":[285],"picture":[287],"electrolyte.":[295]},"counts_by_year":[],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2026-09-12T00:00:00"}