Communication—Reactive Sintering of a CoFe2O4Coating on Ferritic Stainless Steels for SOFC Interconnect Application
Abstract
A mixed Fe+CoO precursor was successfully utilized to synthesize a dense CoFe2O4 spinel coating on the Crofer 22 APU interconnect via reactive sintering at 900°C for 2 h in air without the use of any reduction treatment. Both the uncoated and coated samples were subject to thermal oxidation at 850°C for 500 h in air. Phase constituents, microstructure, and area specific resistance (ASR) of the uncoated and coated samples before and after the oxidation testing were evaluated. The CoFe2O4 layer effectively reduced the Cr2O3 scale growth and lowered the scale ASR.
- Authors:
-
- Tennessee Technological University, Cookeville, TN (United States)
- Publication Date:
- Research Org.:
- Tennessee Technological Univ., Cookeville, TN (United States)
- Sponsoring Org.:
- USDOE Office of Fossil Energy and Carbon Management (FECM); National Science Foundation (NSF)
- OSTI Identifier:
- 1989934
- Grant/Contract Number:
- FE0031187; CMMI-1362680
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of the Electrochemical Society
- Additional Journal Information:
- Journal Volume: 165; Journal Issue: 5; Journal ID: ISSN 0013-4651
- Publisher:
- IOP Publishing
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 25 ENERGY STORAGE; Solid oxide fuel cell; Interconnects; Spinel coating; Reactive sintering; Area specific resistance
Citation Formats
Yu, Y. T., and Zhu, J. H. Communication—Reactive Sintering of a CoFe2O4Coating on Ferritic Stainless Steels for SOFC Interconnect Application. United States: N. p., 2018.
Web. doi:10.1149/2.0521805jes.
Yu, Y. T., & Zhu, J. H. Communication—Reactive Sintering of a CoFe2O4Coating on Ferritic Stainless Steels for SOFC Interconnect Application. United States. https://doi.org/10.1149/2.0521805jes
Yu, Y. T., and Zhu, J. H. Fri .
"Communication—Reactive Sintering of a CoFe2O4Coating on Ferritic Stainless Steels for SOFC Interconnect Application". United States. https://doi.org/10.1149/2.0521805jes. https://www.osti.gov/servlets/purl/1989934.
@article{osti_1989934,
title = {Communication—Reactive Sintering of a CoFe2O4Coating on Ferritic Stainless Steels for SOFC Interconnect Application},
author = {Yu, Y. T. and Zhu, J. H.},
abstractNote = {A mixed Fe+CoO precursor was successfully utilized to synthesize a dense CoFe2O4 spinel coating on the Crofer 22 APU interconnect via reactive sintering at 900°C for 2 h in air without the use of any reduction treatment. Both the uncoated and coated samples were subject to thermal oxidation at 850°C for 500 h in air. Phase constituents, microstructure, and area specific resistance (ASR) of the uncoated and coated samples before and after the oxidation testing were evaluated. The CoFe2O4 layer effectively reduced the Cr2O3 scale growth and lowered the scale ASR.},
doi = {10.1149/2.0521805jes},
journal = {Journal of the Electrochemical Society},
number = 5,
volume = 165,
place = {United States},
year = {Fri Mar 23 00:00:00 EDT 2018},
month = {Fri Mar 23 00:00:00 EDT 2018}
}
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