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Development of Performance Analysis Method on SOFC: Long Time Operation of Tubular SOFC and Comparison to Post Test Analysis

[+] Author Affiliations
Takao Watanabe, Tohru Yamamoto, Kenji Yasumoto, Hiroshi Morita, Yoshihiro Mugikura

Central Research Institute of Electric Power Industry, Kanagawa, Japan

Akihiro Yamashita, Kazuo Tomida

Mitsubishi Heavy Industries Co., Ltd., Japan

Harumi Yokokawa, Natsuko Sakai, Teruhisa Horita, Katsuhiko Yamaji

National Institute of Advanced Industrial Science and Technology, Japan

Paper No. FuelCell2008-65031, pp. 925-928; 4 pages
doi:10.1115/FuelCell2008-65031
From:
  • ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology
  • ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology
  • Denver, Colorado, USA, June 16–18, 2008
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-4318-1 | eISBN: 0-7918-3822-6
  • Copyright © 2008 by ASME

abstract

Cell and stack life and reliability is one of the biggest issues to realize solid oxide fuel cell (SOFC) power generation systems. The R&D investigation on reliability has been carried out under New Energy Development Organization (NEDO) program by authors. Endurance tests were implemented for tubular type SOFCs, and performance analysis results were compared to post test analysis results. The performance was analyzed by using performance estimation equations developed by CRIEPI and longitudinal increase of cathode overpotential was observed. Comparing to the post test analyzed by AIST, Cr poisoning was also observed at the cathode. These results indicate the adequacy of performance estimation method.

Copyright © 2008 by ASME

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