Long-Term Tests of DK-SOFC Cells | Zendy

Rasmus Barfod | Zendy

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Long-Term Tests of DK-SOFC Cells

Author(s) -

Rasmus Barfod

Publication year - 2003

Publication title -

ecs proceedings volumes

Language(s) - English

Resource type - Journals

eISSN - 2576-1579

pISSN - 0161-6374

DOI - 10.1149/200307.1158pv

Subject(s) - term (time) , stability (learning theory) , set (abstract data type) , materials science , current (fluid) , environmental science , mechanics , thermodynamics , computer science , physics , machine learning , quantum mechanics , programming language

An important aspect of SOFC performance is long-term stability. Four long-term tests (1000-2000 hr) are presented and problems concerning the test set-up are discussed. The cells were tested at 850°C under four different sets of conditions with respect to current density and water vapor content. The performance was observed to decrease in all four cases. Depending on the conditions, the power density decreased between 0.3 and 4.6% over 1000 hrs of test. The area specific resistances of the cells were between 0.27 and 0.39 Ωcm 2 .

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