FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W1991015819> ?p ?o ?g. }

• W1991015819 endingPage "B540" @default.
• W1991015819 startingPage "B540" @default.
• W1991015819 abstract "A mechanism of catalyst particle growth in proton exchange membrane fuel cells (PEMFCs) by Ostwald ripening is presented. Particle growth occurs as a coupled process involving platinum ion transport through aqueous liquid and/or ionomer, and electron transport through a carbon support. The dominating factor in degradation of a catalyst supported on carbon is the presence of platinum ions in solution (in liquid and/or in ionomer). Experiments were conducted on commercial PEMFC electrodes in three liquids, solution, dilute acid solution, and deionized water. Pt particle size grew from to after in solution. By contrast, no detectable growth occurred in dilute acid or in deionized water. This demonstrates that the higher the Pt ion concentration, the faster the kinetics. The role of electronic conduction through support was verified by conducting experiments in solution on Pt supported on an electronically insulating material, namely alumina. While significant growth occurred in Pt supported on carbon, no detectable growth occurred in Pt supported on alumina. This observation is in complete accord with the model, and demonstrates the role of electronic transport on degradation. That is, when supported on alumina, lack of an electronically conducting path suppresses degradation even with present in solution." @default.
• W1991015819 created "2016-06-24" @default.
• W1991015819 creator A5036346565 @default.
• W1991015819 creator A5041530739 @default.
• W1991015819 date "2007-01-01" @default.
• W1991015819 modified "2023-10-17" @default.
• W1991015819 title "Mechanism of Catalyst Degradation in Proton Exchange Membrane Fuel Cells" @default.
• W1991015819 cites W1556640349 @default.
• W1991015819 cites W2002398203 @default.
• W1991015819 cites W2007718358 @default.
• W1991015819 cites W2022308914 @default.
• W1991015819 cites W2072520684 @default.
• W1991015819 cites W2074207002 @default.
• W1991015819 cites W2084210709 @default.
• W1991015819 cites W2091232120 @default.
• W1991015819 cites W2106664196 @default.
• W1991015819 cites W2114736820 @default.
• W1991015819 cites W2317139070 @default.
• W1991015819 cites W2318486824 @default.
• W1991015819 cites W2332886852 @default.
• W1991015819 doi "https://doi.org/10.1149/1.2722563" @default.
• W1991015819 hasPublicationYear "2007" @default.
• W1991015819 type Work @default.
• W1991015819 sameAs 1991015819 @default.
• W1991015819 citedByCount "114" @default.
• W1991015819 countsByYear W19910158192012 @default.
• W1991015819 countsByYear W19910158192013 @default.
• W1991015819 countsByYear W19910158192014 @default.
• W1991015819 countsByYear W19910158192015 @default.
• W1991015819 countsByYear W19910158192016 @default.
• W1991015819 countsByYear W19910158192017 @default.
• W1991015819 countsByYear W19910158192018 @default.
• W1991015819 countsByYear W19910158192019 @default.
• W1991015819 countsByYear W19910158192020 @default.
• W1991015819 countsByYear W19910158192021 @default.
• W1991015819 countsByYear W19910158192022 @default.
• W1991015819 countsByYear W19910158192023 @default.
• W1991015819 crossrefType "journal-article" @default.
• W1991015819 hasAuthorship W1991015819A5036346565 @default.
• W1991015819 hasAuthorship W1991015819A5041530739 @default.
• W1991015819 hasConcept C104779481 @default.
• W1991015819 hasConcept C111368507 @default.
• W1991015819 hasConcept C117760992 @default.
• W1991015819 hasConcept C127313418 @default.
• W1991015819 hasConcept C127413603 @default.
• W1991015819 hasConcept C132319479 @default.
• W1991015819 hasConcept C140205800 @default.
• W1991015819 hasConcept C145148216 @default.
• W1991015819 hasConcept C147789679 @default.
• W1991015819 hasConcept C15920480 @default.
• W1991015819 hasConcept C159985019 @default.
• W1991015819 hasConcept C161790260 @default.
• W1991015819 hasConcept C17525397 @default.
• W1991015819 hasConcept C178790620 @default.
• W1991015819 hasConcept C179104552 @default.
• W1991015819 hasConcept C184651966 @default.
• W1991015819 hasConcept C185592680 @default.
• W1991015819 hasConcept C187530423 @default.
• W1991015819 hasConcept C192562407 @default.
• W1991015819 hasConcept C2776171763 @default.
• W1991015819 hasConcept C2778517922 @default.
• W1991015819 hasConcept C2779679103 @default.
• W1991015819 hasConcept C41008148 @default.
• W1991015819 hasConcept C41625074 @default.
• W1991015819 hasConcept C42360764 @default.
• W1991015819 hasConcept C518104683 @default.
• W1991015819 hasConcept C521977710 @default.
• W1991015819 hasConcept C52859227 @default.
• W1991015819 hasConcept C55493867 @default.
• W1991015819 hasConcept C62129180 @default.
• W1991015819 hasConcept C76155785 @default.
• W1991015819 hasConceptScore W1991015819C104779481 @default.
• W1991015819 hasConceptScore W1991015819C111368507 @default.
• W1991015819 hasConceptScore W1991015819C117760992 @default.
• W1991015819 hasConceptScore W1991015819C127313418 @default.
• W1991015819 hasConceptScore W1991015819C127413603 @default.
• W1991015819 hasConceptScore W1991015819C132319479 @default.
• W1991015819 hasConceptScore W1991015819C140205800 @default.
• W1991015819 hasConceptScore W1991015819C145148216 @default.
• W1991015819 hasConceptScore W1991015819C147789679 @default.
• W1991015819 hasConceptScore W1991015819C15920480 @default.
• W1991015819 hasConceptScore W1991015819C159985019 @default.
• W1991015819 hasConceptScore W1991015819C161790260 @default.
• W1991015819 hasConceptScore W1991015819C17525397 @default.
• W1991015819 hasConceptScore W1991015819C178790620 @default.
• W1991015819 hasConceptScore W1991015819C179104552 @default.
• W1991015819 hasConceptScore W1991015819C184651966 @default.
• W1991015819 hasConceptScore W1991015819C185592680 @default.
• W1991015819 hasConceptScore W1991015819C187530423 @default.
• W1991015819 hasConceptScore W1991015819C192562407 @default.
• W1991015819 hasConceptScore W1991015819C2776171763 @default.
• W1991015819 hasConceptScore W1991015819C2778517922 @default.
• W1991015819 hasConceptScore W1991015819C2779679103 @default.
• W1991015819 hasConceptScore W1991015819C41008148 @default.
• W1991015819 hasConceptScore W1991015819C41625074 @default.
• W1991015819 hasConceptScore W1991015819C42360764 @default.
• W1991015819 hasConceptScore W1991015819C518104683 @default.
• W1991015819 hasConceptScore W1991015819C521977710 @default.

• next