Dopant Evolution in Electrocatalysts after Hydrogen Oxidation Reaction in an Alkaline Environment

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dc.contributor.authorYoo, Su-Hyunko
dc.contributor.authorAota, Leonardo Shojiko
dc.contributor.authorShin, Sangyongko
dc.contributor.authorEl-Zoka, Ayman A.ko
dc.contributor.authorKang, Phil Woongko
dc.contributor.authorLee, Yonghyukko
dc.contributor.authorLee, Hyunjooko
dc.contributor.authorKim, Se-Hoko
dc.contributor.authorGault, Baptisteko
dc.date.accessioned2023-08-18T01:00:49Z-
dc.date.available2023-08-18T01:00:49Z-
dc.date.created2023-08-07-
dc.date.created2023-08-07-
dc.date.issued2023-07-
dc.identifier.citationACS ENERGY LETTERS, v.8, no.8, pp.3381 - 3386-
dc.identifier.issn2380-8195-
dc.identifier.urihttp://hdl.handle.net/10203/311666-
dc.description.abstractIntroduction of interstitialdopants has opened a new pathway tooptimize nanoparticle catalytic activity for, e.g., hydrogen evolution/oxidationand other reactions. Here, we discuss the stability of a property-enhancingdopant, B, introduced through the controlled synthesis of an electrocatalystPd aerogel. We observe significant removal of B after the hydrogenoxidation reaction. Ab initio calculations show thatthe high stability of subsurface B in Pd is substantially reducedwhen H is adsorbed/absorbed on the surface, favoring its departurefrom the host nanostructure. The destabilization of subsurface B ismore pronounced, as more H occupies surface sites and empty interstitialsites. We hence demonstrate that the H-2 fuel itself favorsthe microstructural degradation of the electrocatalyst and an associateddrop in activity.-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.titleDopant Evolution in Electrocatalysts after Hydrogen Oxidation Reaction in an Alkaline Environment-
dc.typeArticle-
dc.identifier.wosid001029688400001-
dc.identifier.scopusid2-s2.0-85166770087-
dc.type.rimsART-
dc.citation.volume8-
dc.citation.issue8-
dc.citation.beginningpage3381-
dc.citation.endingpage3386-
dc.citation.publicationnameACS ENERGY LETTERS-
dc.identifier.doi10.1021/acsenergylett.3c00842-
dc.contributor.localauthorLee, Hyunjoo-
dc.contributor.nonIdAuthorYoo, Su-Hyun-
dc.contributor.nonIdAuthorAota, Leonardo Shoji-
dc.contributor.nonIdAuthorEl-Zoka, Ayman A.-
dc.contributor.nonIdAuthorLee, Yonghyuk-
dc.contributor.nonIdAuthorKim, Se-Ho-
dc.contributor.nonIdAuthorGault, Baptiste-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordPlusACID-
dc.subject.keywordPlusNANOPARTICLES-
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