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Characterization of self-sealed metal supported SOFCs with the very low pressure plasma sprayed ScSZ electrolyte

  • Xi'an Jiaotong University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

Plasma spraying can be an attractive method to fabricate coatings directly without sintering and shrinkage. However, how to prepare high conductivity electrolyte is still a challenge for plasma spraying method on account of limited interlayer bond rate. In this study, a self-sealed metal supported SOFC was designed using argon arc welding to connect the substrate and interconnector. Electrolyte was deposited by very low pressure plasma spraying method as sealer and ions conductor. To investigate the microstructure of ScSZ, the spraying distance of electrolyte was set to 150,250,350 mm. Cell based on very low pressure plasma sprayed ScSZ membranes shows a maximum output power density of 1125 mW•cm-2 at 750 oC. The ohmic resistance of whole cell is 0.10 Ω•cm2 and the total resistance of whole cell is 0.15 Ω•cm2, suggesting that very low-pressure plasma spraying is a promising approach for manufacturing of high-performance MS-SOFCs.

Original languageEnglish
Title of host publicationSolid Oxide Fuel Cells 16, SOFC 2019
EditorsK. Eguchi, S. C. Singhal
PublisherElectrochemical Society Inc.
Pages901-908
Number of pages8
Edition1
ISBN (Electronic)9781607688747, 9781607688747
DOIs
StatePublished - 2019
Event16th International Symposium on Solid Oxide Fuel Cells, SOFC 2019 - Kyoto, Japan
Duration: 8 Sep 201913 Sep 2019

Publication series

NameECS Transactions
Number1
Volume91
ISSN (Print)1938-6737
ISSN (Electronic)1938-5862

Conference

Conference16th International Symposium on Solid Oxide Fuel Cells, SOFC 2019
Country/TerritoryJapan
CityKyoto
Period8/09/1913/09/19

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