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Temperature-independent activation energy for ionic conduction of zirconia based solid electrolytes
Alternative TitleActa Phys.-Chim. Sin.
Li, Y; Gong, JH; Tang, ZL; Xie, YS; Zhang, ZT
2001-09-01
Source PublicationACTA PHYSICO-CHIMICA SINICA
ISSN1000-6818
Volume17Issue:9Pages:792-796
AbstractPrevious studies have shown that the temperature dependence of the ionic conductivity of zirconia based solid electrolytes exhibit an unusual non-linear Arrhenius behavior and, as a result, the activation energy for ionic conductivity resulting from the analysis according to the classical Arrhenius equation is temperature-dependent. In this paper, a modified Arrhenius equation was proposed, based on the measurement and analysis of the conductivity for three kinds of Y2O3-stablized ZrO2, to describe the temperature dependence of the ionic conductivity. It was found that the activation energy deduced from the modified Arrhenius equation is a constant independent of temperature. The validity of such a temperature-independent activation energy was further discussed based on the transition-state theory in physical chemistry.; Previous studies have shown that the temperature dependence of the ionic conductivity of zirconia based solid electrolytes exhibit an unusual non-linear Arrhenius behavior and, as a result, the activation energy for ionic conductivity resulting from the analysis according to the classical Arrhenius equation is temperature-dependent. In this paper, a modified Arrhenius equation was proposed, based on the measurement and analysis of the conductivity for three kinds of Y2O3-stablized ZrO2, to describe the temperature dependence of the ionic conductivity. It was found that the activation energy deduced from the modified Arrhenius equation is a constant independent of temperature. The validity of such a temperature-independent activation energy was further discussed based on the transition-state theory in physical chemistry.
KeywordIonic Conductivity Activation Energy Solid Electrolyte Zirconia Non-linear Arrhenius Behavior
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.3866/PKU.WHXB20010906
URL查看原文
Indexed BySCI
Language英语
WOS KeywordELECTRICAL-CONDUCTIVITY ; STABILIZED ZIRCONIA
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
WOS IDWOS:000171302100006
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Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5798
Collection研究所(批量导入)
Affiliation1.Tsinghua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
2.Chinese Acad Sci, Inst Chem Met, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Li, Y,Gong, JH,Tang, ZL,et al. Temperature-independent activation energy for ionic conduction of zirconia based solid electrolytes[J]. ACTA PHYSICO-CHIMICA SINICA,2001,17(9):792-796.
APA Li, Y,Gong, JH,Tang, ZL,Xie, YS,&Zhang, ZT.(2001).Temperature-independent activation energy for ionic conduction of zirconia based solid electrolytes.ACTA PHYSICO-CHIMICA SINICA,17(9),792-796.
MLA Li, Y,et al."Temperature-independent activation energy for ionic conduction of zirconia based solid electrolytes".ACTA PHYSICO-CHIMICA SINICA 17.9(2001):792-796.
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氧化锆基固体电解质材料与温度无关的离子电(667KB) 限制开放CC BY-NC-SAApplication Full Text
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