Spatiotemporal Visualization and Chemical Identification of the Metal Diffusion Layer at the Electrochemical Interface

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dc.contributor.authorZhang, Yuxinen
dc.contributor.authorHu, Anyangen
dc.contributor.authorMaxey, Evanen
dc.contributor.authorLi, Luxien
dc.contributor.authorLin, Fengen
dc.date.accessioned2023-05-05T19:06:49Zen
dc.date.available2023-05-05T19:06:49Zen
dc.date.issued2022-10en
dc.description.abstractThe diffusion layer created by transition metal (TM) dissolution is ubiquitous at the electrochemical solid-liquid interface and plays a key role in determining electrochemical performance. Tracking the spatiotemporal dynamics of the diffusion layer has remained an unresolved challenge. With spatially resolved synchrotron X-ray fluorescence microscopy and micro-X-ray absorption spectroscopy, we demonstrate the in situ visualization and chemical identification of the dynamic diffusion layer near the electrode surface under electrochemical operating conditions. Our method allows for direct mapping of the reactive electrochemical interface and provides insights into engineering the diffusion layer for improving electrochemical performance.en
dc.description.notesThe work was supported by the National Science Foundation under no. CBET 1912885. This research used resources of the Advanced Photon Source, a U.S. Department of Energy (DOE) Office of Science User Facility operated for the DOE Office of Science by Argonne National Laboratory under Contract no. DE-AC02-06CH11357. We thank Dr. Cheng-Jun Sun for the W L<INF>3</INF>-edge hard X-ray absorption spectroscopy measurement of bulk WO<INF>3</INF> electrode without electrolyte at the beamline 20-BM-B at the Advanced Photon Source, Argonne National Laboratory.en
dc.description.sponsorshipNational Science Foundation [CBET 1912885]; DOE Office of Science [DE-AC02-06CH11357]en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1149/1945-7111/ac964ben
dc.identifier.eissn1945-7111en
dc.identifier.issue10en
dc.identifier.other100512en
dc.identifier.urihttp://hdl.handle.net/10919/114942en
dc.identifier.volume169en
dc.language.isoenen
dc.publisherElectrochemical Societyen
dc.rightsPublic Domain (U.S.)en
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/en
dc.subjectBatteries aqueousen
dc.subjectInterface modificationen
dc.subjectEnergy Storageen
dc.titleSpatiotemporal Visualization and Chemical Identification of the Metal Diffusion Layer at the Electrochemical Interfaceen
dc.title.serialJournal of the Electrochemical Societyen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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