Analysis of percent on-cell reformation of methane in SOFC stacks and the effects on thermal, electrical, and mechanical performance

K. P. Recknagle, B. J. Koeppel, X. Sun, M. A. Khaleel, S. T. Yokuda, P. Singh

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

Numerical simulations were performed to determine the effect that varying the percent on-cell steam-methane reformation would have on the thermal, electrical, and mechanical performance of generic, planar solid oxide fuel cell stacks. The study was performed using three-dimensional model geometries for cross-, co-, and counterflow configuration stacks of 10×10- and 20×20-cm cell sizes. The analysis predicted the stress and temperature difference would he minimized for the 10×10-cm counter- and cross-flow stacks when 40 to 50% of the reformation :eaction occurred on the anode. Gross electrical power density was virtually unaffected by the reforming. The co-flow stack benefited most from the on-cell reforming and had the lowest anode stresses of the 20×20-cm stacks. The analyses also suggest that airflows associated with 15% air utilization may he required for cooling the larger (20×20-cm) stacks.

Original languageEnglish
Title of host publicationECS Transactions - 30th Fuel Cell Seminar
Pages473-478
Number of pages6
Edition1
DOIs
Publication statusPublished - 1 Dec 2007
Event30th Fuel Cell Seminar - Honolulu, HI, United States
Duration: 13 Nov 200617 Nov 2006

Publication series

NameECS Transactions
Number1
Volume5
ISSN (Print)1938-5862
ISSN (Electronic)1938-6737

Other

Other30th Fuel Cell Seminar
CountryUnited States
CityHonolulu, HI
Period13/11/0617/11/06

ASJC Scopus subject areas

  • Engineering(all)

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    Recknagle, K. P., Koeppel, B. J., Sun, X., Khaleel, M. A., Yokuda, S. T., & Singh, P. (2007). Analysis of percent on-cell reformation of methane in SOFC stacks and the effects on thermal, electrical, and mechanical performance. In ECS Transactions - 30th Fuel Cell Seminar (1 ed., pp. 473-478). (ECS Transactions; Vol. 5, No. 1). https://doi.org/10.1149/1.2729027