Preparation of Nanocrystalline Nb-Doped SnO2on Mesoporous Carbon for PEFC Electrocatalysts

研究成果: 書籍/レポート タイプへの寄稿会議への寄与

抄録

Platinum-based nanoparticles decorated on carbon supports (Pt/C) are widely used as electrocatalysts in polymer electrolyte fuel cells (PEFCs). Meanwhile, SnO2 is more stable than carbon at high potentials in cathodic environments. Highly durable Pt/SnO2/C electrocatalysts have therefore previously been developed using carbon nanomaterials as an electron-conducting backbone and SnO2 as a stable support layer for highly dispersed platinum nanoparticles. Here, we report on the development of Pt/SnO2/C electrocatalysts based on mesoporous carbon (MC) scaffolds. The electron conduction pathway through SnO2 was minimized by reducing the SnO2 loading. The use of Pt/SnO2/MC electrocatalysts resulted in high activity towards the oxygen reduction reaction (ORR) as well as excellent start-stop voltage cycling durability in half-cell conditions.

本文言語英語
ホスト出版物のタイトルECS Transactions
出版社Institute of Physics
ページ413-423
ページ数11
9
ISBN(電子版)9781607685395
DOI
出版ステータス出版済み - 2022
イベント242nd ECS Meeting - Atlanta, 米国
継続期間: 10月 9 202210月 13 2022

出版物シリーズ

名前ECS Transactions
番号9
109
ISSN(印刷版)1938-6737
ISSN(電子版)1938-5862

会議

会議242nd ECS Meeting
国/地域米国
CityAtlanta
Period10/9/2210/13/22

!!!All Science Journal Classification (ASJC) codes

  • 工学一般

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