Matches in SemOpenAlex for { <https://semopenalex.org/work/W3212938523> ?p ?o ?g. }
Showing items 1 to 92 of
92
with 100 items per page.
- W3212938523 abstract "The combination of operando small- and wide-angle X-ray scattering (SAXS, WAXS) in grazing incidence configuration is presented as a new approach to provide depth-dependent insights into the changes in mean particle sizes and phase fractions occurring for fuel cell catalysts during accelerated stress tests (ASTs). As fuel cell catalyst, a bimodal Pt/C catalyst was chosen that consists of two distinguishable particle size populations. The presence of the two different sizes should favor and uncover electrochemical Ostwald ripening as the major degradation mechanism, i.e., it is expected that the size of the larger particles in the Pt/C catalyst grows at the expense of the smaller particles. The grazing incidence mode performed at the European Synchrotron Radiation Facility (ESRF) at the ID31 beamline revealed an intertwinement of the depth dependent degradation. While the larger particles show the same particle size changes close to the electrolyte-catalyst interface and within the catalyst layer, for the smaller Pt nanoparticles a different degradation scenario is observed. At the electrolyte-catalyst interface, the smaller particles increase in size while their phase fraction decreases during the AST. However, in the inner catalyst layer the phase fraction of smaller particles increases instead of decreases. The results of a depth-dependent degradation strongly suggest to employ a depth-dependent catalyst design for future improvement of the catalyst stability." @default.
- W3212938523 created "2021-11-22" @default.
- W3212938523 creator A5014725909 @default.
- W3212938523 creator A5015807703 @default.
- W3212938523 creator A5030228814 @default.
- W3212938523 creator A5043738774 @default.
- W3212938523 creator A5044427661 @default.
- W3212938523 creator A5064384920 @default.
- W3212938523 creator A5071242968 @default.
- W3212938523 creator A5091793009 @default.
- W3212938523 date "2021-09-21" @default.
- W3212938523 modified "2023-09-25" @default.
- W3212938523 title "Tracking the Catalyst Layer Depth-Dependent Electrochemical Degradation of a Bimodal Pt/C Fuel Cell Catalyst: A Combined Operando Small- and Wide-Angle X-Ray Scattering Study" @default.
- W3212938523 doi "https://doi.org/10.33774/chemrxiv-2021-55g6z" @default.
- W3212938523 hasPublicationYear "2021" @default.
- W3212938523 type Work @default.
- W3212938523 sameAs 3212938523 @default.
- W3212938523 citedByCount "0" @default.
- W3212938523 crossrefType "posted-content" @default.
- W3212938523 hasAuthorship W3212938523A5014725909 @default.
- W3212938523 hasAuthorship W3212938523A5015807703 @default.
- W3212938523 hasAuthorship W3212938523A5030228814 @default.
- W3212938523 hasAuthorship W3212938523A5043738774 @default.
- W3212938523 hasAuthorship W3212938523A5044427661 @default.
- W3212938523 hasAuthorship W3212938523A5064384920 @default.
- W3212938523 hasAuthorship W3212938523A5071242968 @default.
- W3212938523 hasAuthorship W3212938523A5091793009 @default.
- W3212938523 hasBestOaLocation W32129385231 @default.
- W3212938523 hasConcept C111368507 @default.
- W3212938523 hasConcept C120665830 @default.
- W3212938523 hasConcept C121332964 @default.
- W3212938523 hasConcept C127313418 @default.
- W3212938523 hasConcept C127413603 @default.
- W3212938523 hasConcept C131888329 @default.
- W3212938523 hasConcept C147789679 @default.
- W3212938523 hasConcept C161790260 @default.
- W3212938523 hasConcept C171250308 @default.
- W3212938523 hasConcept C17525397 @default.
- W3212938523 hasConcept C185592680 @default.
- W3212938523 hasConcept C187530423 @default.
- W3212938523 hasConcept C191486275 @default.
- W3212938523 hasConcept C192562407 @default.
- W3212938523 hasConcept C2778517922 @default.
- W3212938523 hasConcept C2779679103 @default.
- W3212938523 hasConcept C41008148 @default.
- W3212938523 hasConcept C42360764 @default.
- W3212938523 hasConcept C518104683 @default.
- W3212938523 hasConcept C55493867 @default.
- W3212938523 hasConcept C62129180 @default.
- W3212938523 hasConcept C68801617 @default.
- W3212938523 hasConcept C76155785 @default.
- W3212938523 hasConceptScore W3212938523C111368507 @default.
- W3212938523 hasConceptScore W3212938523C120665830 @default.
- W3212938523 hasConceptScore W3212938523C121332964 @default.
- W3212938523 hasConceptScore W3212938523C127313418 @default.
- W3212938523 hasConceptScore W3212938523C127413603 @default.
- W3212938523 hasConceptScore W3212938523C131888329 @default.
- W3212938523 hasConceptScore W3212938523C147789679 @default.
- W3212938523 hasConceptScore W3212938523C161790260 @default.
- W3212938523 hasConceptScore W3212938523C171250308 @default.
- W3212938523 hasConceptScore W3212938523C17525397 @default.
- W3212938523 hasConceptScore W3212938523C185592680 @default.
- W3212938523 hasConceptScore W3212938523C187530423 @default.
- W3212938523 hasConceptScore W3212938523C191486275 @default.
- W3212938523 hasConceptScore W3212938523C192562407 @default.
- W3212938523 hasConceptScore W3212938523C2778517922 @default.
- W3212938523 hasConceptScore W3212938523C2779679103 @default.
- W3212938523 hasConceptScore W3212938523C41008148 @default.
- W3212938523 hasConceptScore W3212938523C42360764 @default.
- W3212938523 hasConceptScore W3212938523C518104683 @default.
- W3212938523 hasConceptScore W3212938523C55493867 @default.
- W3212938523 hasConceptScore W3212938523C62129180 @default.
- W3212938523 hasConceptScore W3212938523C68801617 @default.
- W3212938523 hasConceptScore W3212938523C76155785 @default.
- W3212938523 hasLocation W32129385231 @default.
- W3212938523 hasLocation W32129385232 @default.
- W3212938523 hasOpenAccess W3212938523 @default.
- W3212938523 hasPrimaryLocation W32129385231 @default.
- W3212938523 hasRelatedWork W1964094366 @default.
- W3212938523 hasRelatedWork W1974921313 @default.
- W3212938523 hasRelatedWork W2020975454 @default.
- W3212938523 hasRelatedWork W2073500858 @default.
- W3212938523 hasRelatedWork W2317343132 @default.
- W3212938523 hasRelatedWork W2330329098 @default.
- W3212938523 hasRelatedWork W2364809952 @default.
- W3212938523 hasRelatedWork W2758872599 @default.
- W3212938523 hasRelatedWork W4206245816 @default.
- W3212938523 hasRelatedWork W4362448941 @default.
- W3212938523 isParatext "false" @default.
- W3212938523 isRetracted "false" @default.
- W3212938523 magId "3212938523" @default.
- W3212938523 workType "article" @default.