Suppressing Lateral Conduction Loss of Thin-film Cathode by Inserting a Denser Bridging Layer

Title
Suppressing Lateral Conduction Loss of Thin-film Cathode by Inserting a Denser Bridging Layer
Authors
박정훈이승환김형철윤경중이종호한승민손지원
Keywords
SOFC; Thin film cathode; PLD; current collection
Issue Date
2015-09
Publisher
Journal of the Korean Ceramic Society; 한국세라믹학회지
Citation
VOL 52, NO 5, 304-307
Abstract
To reduce the lateral conduction loss of thin-film-processed cathodes, the microstructure of the thin-film cathode is engineered to contain a denser bridging layer in the middle. By doing so, the characteristic crack-like pores that separate the cathode domains in thin-film-processed cathodes and hamper lateral conduction are better connected and, as a result, the sheet resistance of the cathode is effectively reduced by a factor of 5. This induces suppression of the lateral conduction loss and expansion of the effective current collecting area; the cell performance is improved by more than 30%.
URI
http://pubs.kist.re.kr/handle/201004/50370
ISSN
12297801
Appears in Collections:
KIST Publication > Article
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