Development of performance evaluation testing method for SOFC

Research output: Contribution to conferencePaperpeer-review

Abstract

A simple fracture testing method, which was combined with acoustic-emission(AE) monitoring, was developed in order to investigate the mechanical performance of solid oxide fuel cells (SOFCs) under simulated environments. The fracture testing method was applied to ceria electrolyte-supported single cells. The fracture damage process was shown to involve vertical cracking and delamination in the cathode, and vertical cracking in the electrolyte. The fracture damages were most likely due to the chemical expansion induced stresses. It was demonstrated that the AE method enabled the detection of the fracture process and determine the condition for the onset of the fracture damage in the single cell.

Original languageEnglish
Pages170-176
Number of pages7
Publication statusPublished - 2004 Dec 1
Event206th ECS Meeting - Honolulu, HI, United States
Duration: 2004 Oct 32004 Oct 8

Other

Other206th ECS Meeting
CountryUnited States
CityHonolulu, HI
Period04/10/304/10/8

ASJC Scopus subject areas

  • Engineering(all)

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