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Thermal cycle stability of BaO-B2O3-SiO2 sealing glass
Peng, Lian; Zhu, QingShan; Zhu, QS
2009-12-01
Source PublicationJOURNAL OF POWER SOURCES
ISSN0378-7753
Volume194Issue:2Pages:880-885
AbstractThermal cycle stability is very important for glass seals in planar solid oxide fuel cell (pSOFC) applications. in the present study. thermal cycle stability of a thermally stable sealing glass is investigated using a sealing fixture from 150 degrees C to 700 degrees C. SS410 alloy with the TEC (thermal expansion coefficient) of 12.2 x 10(-6) K-1 (room temperature to 700 degrees C) is used to evaluate the effect of TEC mismatch on the thermal cycle stability. The leak rates increase with thermal cycles and appear to be two different stages. Microstructure examinations are performed to investigate the degradation mechanism of the thermal cycle stability. It is found that the sealing glass interacts chemically with the SS410 alloy and the formation of BaCrO4 new phase results in the rapid increase of the leak rates. (C) 2009 Elsevier B.V. All rights reserved.
KeywordSealing Glass Leak Rates Thermal Cycle Stability Solid Oxide Fuel Cells
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.jpowsour.2009.06.018
Indexed BySCI
Language英语
WOS KeywordOXIDE FUEL-CELLS ; CHEMICAL INTERACTIONS ; MICA SEALS ; DEGRADATION ; BARIUM ; INTERCONNECT ; TECHNOLOGY ; SEALANTS ; SOFCS ; ZN
WOS Research AreaElectrochemistry ; Energy & Fuels
WOS SubjectElectrochemistry ; Energy & Fuels
WOS IDWOS:000270620500041
Citation statistics
Cited Times:22[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/6537
Collection多相复杂系统国家重点实验室
Corresponding AuthorZhu, QS
AffiliationChinese Acad Sci, State Key Lab Multi Phase Complex Syst, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Peng, Lian,Zhu, QingShan,Zhu, QS. Thermal cycle stability of BaO-B2O3-SiO2 sealing glass[J]. JOURNAL OF POWER SOURCES,2009,194(2):880-885.
APA Peng, Lian,Zhu, QingShan,&Zhu, QS.(2009).Thermal cycle stability of BaO-B2O3-SiO2 sealing glass.JOURNAL OF POWER SOURCES,194(2),880-885.
MLA Peng, Lian,et al."Thermal cycle stability of BaO-B2O3-SiO2 sealing glass".JOURNAL OF POWER SOURCES 194.2(2009):880-885.
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