Infiltration of rare earth oxide into NiO-YSZ anode substrate for the high performance micro-tubular sofc using LSGM electrolyte film

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Abstract

Tubular type solid oxide fuel cells are considered as the advantages of short gas sealing line and higher thermal stability. A micro-tubular type solid oxide cell was prepared by using a tubular type NiO-Y2O3 stabilized ZrO2 (NiO-YSZ) fuel electrode substrate and La0.9Sr0.1Ga0.8Mg0.2O3−δ (LSGM) electrolyte film which was prepared by dip-coating and co-sintering method. Since IR loss and overpotential was still larger than those expected, the effects of insertion Ni-based fuel electrode functional layer on NiO-YSZ tubular substrate and rare earth oxide infiltration into NiO-YSZ tube was further studied. The result indicated that the cell using Ni-Fe functional layer and infiltration of CeO2 into the substrate shows a higher maximum power density. The electrolysis performance of the prepared tubular cell under reversible operation was also studied. The reasonably large current density was also realized in electrolysis mode on the optimized cell.

Original languageEnglish
Title of host publicationSolid Oxide Fuel Cells 16, SOFC 2019
EditorsK. Eguchi, S. C. Singhal
PublisherElectrochemical Society Inc.
Pages1807-1814
Number of pages8
Edition1
ISBN (Electronic)9781607688747
DOIs
Publication statusPublished - Jan 1 2019
Event16th International Symposium on Solid Oxide Fuel Cells, SOFC 2019 - Kyoto, Japan
Duration: Sep 8 2019Sep 13 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
CountryJapan
CityKyoto
Period9/8/199/13/19

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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    Tan, Z., Takagaki, A., & Ishihara, T. (2019). Infiltration of rare earth oxide into NiO-YSZ anode substrate for the high performance micro-tubular sofc using LSGM electrolyte film. In K. Eguchi, & S. C. Singhal (Eds.), Solid Oxide Fuel Cells 16, SOFC 2019 (1 ed., pp. 1807-1814). (ECS Transactions; Vol. 91, No. 1). Electrochemical Society Inc.. https://doi.org/10.1149/09101.1807ecst