Development of durable electrocatalysts for PEFC through graphitization of carbon support surface

研究成果: Chapter in Book/Report/Conference proceedingConference contribution

2 被引用数 (Scopus)

抄録

With the aim of developing durable electrocatalysts for PEFC, their durability with different carbon supports was evaluated electrochemically. During our study, Pt deposited Ketjen Black carbon was found to lose most of electrochemical active surface area after the potential cycle tests, and then a possible mechanism for that was investigated. We believe two different mechanisms probably occur at the same time. Many of Pt particles are dissolved into the electrolyte solution either as Pt ion or Pt nanoparticles. Some of Pt particles are also embedded into the hole formed on the carbon surface owing to carbon corrosion. However, the effect of these two factors was rather small for Vulcan carbon. Moreover, on the graphitized surface, such problems were mostly overcome. Consequently, graphitization of the carbon surface is a simple but useful technique to improve the durability of electrocatalysts.

本文言語英語
ホスト出版物のタイトルAdvances in Low Temperature Electrolyzer and Fuel Cell Technology
ホスト出版物のサブタイトルIn Honor of Anthony B. (Tony) LaConti
出版社Electrochemical Society Inc.
ページ23-29
ページ数7
12
ISBN(印刷版)9781607684640
DOI
出版ステータス出版済み - 2013
イベントSymposium on Advances in Low Temperature Electrolyzer and Fuel Cell Technology: In Honor of Anthony B. (Tony) LaConti - 223rd Meeting of the Electrochemical Society - Toronto, ON, カナダ
継続期間: 5 12 20135 16 2013

出版物シリーズ

名前ECS Transactions
番号12
53
ISSN(印刷版)1938-5862
ISSN(電子版)1938-6737

その他

その他Symposium on Advances in Low Temperature Electrolyzer and Fuel Cell Technology: In Honor of Anthony B. (Tony) LaConti - 223rd Meeting of the Electrochemical Society
Countryカナダ
CityToronto, ON
Period5/12/135/16/13

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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