Viable AC Two-probe Impedance Spectroscopy based on Spatially-limited Contact Probe for SOFC Cathode

Title
Viable AC Two-probe Impedance Spectroscopy based on Spatially-limited Contact Probe for SOFC Cathode
Authors
이종호지호일김혜령손지원황진하
Keywords
SOFC; Cathode; Impedance
Issue Date
2011-05
Publisher
ECS transactions
Citation
VOL 35, NO 1, 1995-1999
Abstract
We repor on a unique characterization method for the electrode reactions of SOFCs via impedance spectroscopy combined with a spatially-constricted contact based on a robust electrolyte which is expected to give more reliable measurement set-up. Various electrode materials were chosen to validate our method and the corresponding impedance phenomena were analyzed to give an insight for optimization of the SOFC electrode. The ramifications of “limited-contact” impedance spectroscopy are discussed for an exhaustive understanding of electrode-related polarizations in SOFCs.
URI
http://pubs.kist.re.kr/handle/201004/39740
ISSN
1938-5862
Appears in Collections:
KIST Publication > Article
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