Exchange current density of solid oxide fuel cell electrodes

T. Yonekura, Y. Tachikawa, T. Yoshizumi, Y. Shiratori, K. Ito, K. Sasaki

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

30 被引用数 (Scopus)

抄録

It is desired to develop computational procedures to simulate internal current density, anode/cathode gas concentrations, and temperature distribution in solid oxide fuel cell (SOFC) systems. In this study, the influences of various operational conditions on the exchange current density, the essential parameter to simulate SOFC performance, are revealed and discussed. The anodic exchange current density depended strongly on the humidity of H 2-based fuel gas, and it exhibited the highest value at around 40% H 2O. The cathodic exchange current density was strongly affected by the operational temperature. Parameters necessary to describe dependencies of exchange current density on various operational parameters were determined by fitting measured exchange current density values with empirical equations.

本文言語英語
ホスト出版物のタイトルSolid Oxide Fuel Cells 12, SOFC XII
ページ1007-1014
ページ数8
2 PART 2
DOI
出版ステータス出版済み - 12 1 2011
イベント12th International Symposium on Solid Oxide Fuel Cells, SOFC-XII - 219th ECS Meeting - Montreal, QC, カナダ
継続期間: 5 1 20115 6 2011

出版物シリーズ

名前ECS Transactions
番号2 PART 2
35
ISSN(印刷版)1938-5862
ISSN(電子版)1938-6737

その他

その他12th International Symposium on Solid Oxide Fuel Cells, SOFC-XII - 219th ECS Meeting
Countryカナダ
CityMontreal, QC
Period5/1/115/6/11

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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