Analysis of Gas Leakage and Current Loss of Solid Oxide Fuel Cells by Screen Printing

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Two types of anode supported solid oxide fuel cell (SOFC) NiO-YSZ/YSZ/GDC/LSCF with the same structure and different manufacturing process were tested. Gas leakage was suspected for cells manufactured with screen printing technique. Effective leak current densities for both types of cells were calculated. Their performances of electrochemical impedance spectroscopy (EIS) were compared and distribution function of relaxation times (DRT) technique was also used to find the clue of gas leakage. Finally, thinning and penetrating holes were observed in electrolyte layer, which confirmed the occurrence of gas leakage.
Original languageEnglish
JournalE C S Transactions
Volume78
Issue number1
Pages (from-to)1533-1540
ISSN1938-5862
DOIs
Publication statusPublished - 2017
CitationsWeb of Science® Times Cited: No match on DOI
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