Current distribution analysis of a microtubular solid oxide fuel cell with surface temperature measurements

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

5 被引用数 (Scopus)

抄録

Current distribution of a practical solid oxide fuel cell (SOFC) has been analyzed from a thermal analysis combined with surface temperature measurements. Electrochemical impedance spectroscopy with two-electrode set-up is employed on an anode-supported microtubular SOFC. This cell is an intermediate temperature SOFC composed of Ni/(ZrO 2) 0.9(Y 2O 3) 0.1 cermet anode, La 0.8Sr 0.2Ga 0.8Mg 0.2O 2.8 electrolyte, and (La 0.6SrO 4)(Co 0.2Fe 0.8)O 3 cathode. The impedance spectra give the resistances at the anode and cathode and the cell ohmic resistance. By numerically integrating these resistances, overpotentials are evaluated. The overpotentials and the single electrode (electrochemical) Peltier heats at the anode and cathode provide individual heat production rates. Since the energy balance equations incorporating these heat production rates determined by current yield the surface temperatures of the cell, local current densities are obtained so that the calculated and measured temperatures by thermocouples at several positions in the anode and cathode surfaces coincide.

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1087-1096
ページ数10
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
国/地域カナダ
CityMontreal, QC
Period5/1/115/6/11

All Science Journal Classification (ASJC) codes

  • 工学(全般)

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