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Relationship between lattice mismatch and ionic conduction of grain boundary in YSZ
Ye, Fei1,2; Yin, Chun Yu2; Ou, Ding Rong3; Mori, Toshiyuki4
KeywordYttria-stabilized Zirconia Grain Boundary Ionic Conduction Mismatch
Source PublicationPROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL
2014-02-01
DOI10.1016/j.pnsc.2014.01.007
Volume24Issue:1Pages:83-86
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
WOS SubjectMaterials Science, Multidisciplinary ; Multidisciplinary Sciences
WOS Research AreaMaterials Science ; Science & Technology - Other Topics
WOS KeywordCUBIC ZIRCONIA BICRYSTAL ; STABILIZED-ZIRCONIA ; DOPED ZIRCONIA ; SPACE-CHARGE ; RESISTIVITY ; SIGMA=3
AbstractThe grain boundary plays an important role in the electrical behaviors of solid oxide electrolytes for solid state fuel cells. To reveal the relationship between the structure and the ionic conductivity of grain boundary, the conductive properties of {1 1 1} and {1 1 0} twist grain boundaries in 8 mol% yttria-stabilized zirconia have been examined. These boundaries have a series of Sigma values defined by the coincident site lattice model. It has been found that the activation energy of {1 1 1} twist grain boundary increases and then decreases with the Sigma value, while that of the {1 1 0} boundary shows an opposite trend. It is suggested that the properties can reflect the balance of the effects of lattice mismatch on the diffusion ability of oxygen vacancies and the segregation of oxygen vacancies and Y3+ ions. Therefore, the properties in polycrystalline electrolyte can be adjusted by controlling the grain boundary structures. (C) 2014 Chinese Materials Research Society. Production and hosting by Elsevier B.V. All rights reserved.
Language英语
WOS IDWOS:000334741800014
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/145441
Collection中国科学院大连化学物理研究所
Affiliation1.Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Liaoning, Peoples R China
2.Dalian Univ Technol, Minist Educ, Key Lab Mat Modificat Laser Ion & Electron Beans, Dalian 116024, Liaoning, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Fuel Cells, Dalian 116023, Liaoning, Peoples R China
4.Natl Inst Mat Sci, Battery Mat Unit, Fuel Cell Mat Grp, Tsukuba, Ibaraki 3050044, Japan
Recommended Citation
GB/T 7714
Ye, Fei,Yin, Chun Yu,Ou, Ding Rong,et al. Relationship between lattice mismatch and ionic conduction of grain boundary in YSZ[J]. PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL,2014,24(1):83-86.
APA Ye, Fei,Yin, Chun Yu,Ou, Ding Rong,&Mori, Toshiyuki.(2014).Relationship between lattice mismatch and ionic conduction of grain boundary in YSZ.PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL,24(1),83-86.
MLA Ye, Fei,et al."Relationship between lattice mismatch and ionic conduction of grain boundary in YSZ".PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL 24.1(2014):83-86.
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