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Summary & Details

Highly Durable Fuel Cell Cathode Catalyst Layers using Tin Oxide Supports under Load Cycling Conditions

Delivery: Available on this site

Format: PDF

Price: Non-members (tax incl.)：￥1,100 Members (tax incl.)：￥880

Publication code: 20214298

Paper/Info type: Other International Conferences

No.B2.3

Pages: 1-6(Total 6 p)

Date of publication: May 2021

Publisher: JSAE

Language: English

Event: International Electric Vehicle Technology Conference EVTeC 2021 [Online Meeting]

Detailed Information

Category(E)	Fuel Cell Stack and Components
Author(E)	1) Chikara Takei, 2) Yoshiki Mizushita, 3) Kiyoshi Yamaura, 4) Katsuyoshi Kakinuma, 5) Makoto Uchida
Affiliation(E)	1) Mitsubishi Motors Corporation, 2) Mitsubishi Motors Corporation, 3) Mitsubishi Motors Corporation, 4) University of Yamanashi, 5) University of Yamanashi
Abstract(E)	Load cycle durability of niobium-doped tin oxide supported platinum (Pt/Nb-SnO2) was higher than one of graphitized carbon black supported platinum (Pt/GCB) during load cycling as a function of OCV holding time and cathode oxygen concentration. Chemisorbed oxygen species in the presence of the oxygen could affect the growth of the depletion layer on the surface of the Nb-SnO2 support for highly durable fuel cell cathode catalyst layers during load cycling. We found a novel degradation mechanism of Pt/Nb-SnO2 during load cycling, which helps to make Pt/Nb-SnO2 more suitable for automotive applications involving range extender fuel cells.

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