烧结温度对陶瓷体氧化铝固体电解质性能的影响
在Al2O3电解质体系中,利用X射线衍射分析仪、扫描电子显微镜和交流阻抗谱仪考察了烧结温度对陶瓷体Al2O3固体电解质（BASE）的β″/β相的形成、体密度和离子电导率的影响。研究表明：固相法合成BASE时,陶瓷体的最佳的陶瓷烧结温度为1 600℃。离子电导率、β″含量、体积密度随烧结温度的升高先上升后下降。离子电导率不仅与相结构有关,还与材料的致密性有关。导电过程在温度升高过程中,会由晶界控制转变为晶粒控制。随着烧结温度的升高,晶界控制的温度范围逐渐减小。...
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| Published in | 硅酸盐学报 Vol. 42; no. 7; pp. 886 - 890 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
2014
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| Subjects | |
| Online Access | Get full text |
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| Abstract | 在Al2O3电解质体系中,利用X射线衍射分析仪、扫描电子显微镜和交流阻抗谱仪考察了烧结温度对陶瓷体Al2O3固体电解质（BASE）的β″/β相的形成、体密度和离子电导率的影响。研究表明：固相法合成BASE时,陶瓷体的最佳的陶瓷烧结温度为1 600℃。离子电导率、β″含量、体积密度随烧结温度的升高先上升后下降。离子电导率不仅与相结构有关,还与材料的致密性有关。导电过程在温度升高过程中,会由晶界控制转变为晶粒控制。随着烧结温度的升高,晶界控制的温度范围逐渐减小。 |
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| AbstractList | 在Al2O3电解质体系中,利用X射线衍射分析仪、扫描电子显微镜和交流阻抗谱仪考察了烧结温度对陶瓷体Al2O3固体电解质（BASE）的β″/β相的形成、体密度和离子电导率的影响。研究表明：固相法合成BASE时,陶瓷体的最佳的陶瓷烧结温度为1 600℃。离子电导率、β″含量、体积密度随烧结温度的升高先上升后下降。离子电导率不仅与相结构有关,还与材料的致密性有关。导电过程在温度升高过程中,会由晶界控制转变为晶粒控制。随着烧结温度的升高,晶界控制的温度范围逐渐减小。 |
| Author | 朱承飞 薛金花 |
| AuthorAffiliation | 南京工业大学材料科学与工程学院,南京210009 |
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| DocumentTitleAlternate | Influence of Sintering Temperature on Performance of Aluminum Oxide Solid Electrolytes |
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| Notes | ZHU Chengf ei , XUE J inhua （College of Materials Science ＆ Engineering, Nanjing Tech University, Nanjing 210009, China） Al2O3 solid electrolytes were synthesized v/a solid state reaction. The formation of β″/β phase, density and ionic con- ductivity of Alz 03 at various sintering temperatures were investigated by X-ray diffraction, scanning electron microscopy and electrochemical impedance spectroscopy, respectively. The results show that the performance of alumina electrolytes is related to the sintering temperature, and the optimum sintering temperature is 1 600 ℃. The β″ phase content, density and ionic con- ductivity firstly increases and then decreases with increasing the sintering temperature. The ionic conductivity depends on the phase structure and the compactness of the material. During the process of the temperature elevated, the conductive process is controlled by the grain boundary into a grain control. The temperature range controlled by the grain boundary decreases as the sintering temperature i |
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| PublicationTitle | 硅酸盐学报 |
| PublicationTitleAlternate | Journal of The Chinese Ceramic Society |
| PublicationYear | 2014 |
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| Snippet | 在Al2O3电解质体系中,利用X射线衍射分析仪、扫描电子显微镜和交流阻抗谱仪考察了烧结温度对陶瓷体Al2O3固体电解质（BASE）的β″/β相的形成、体密度和离子电导率的影响。研究表明：固相法合成BASE时,陶瓷体的最佳的陶瓷烧结温度为1... |
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| StartPage | 886 |
| SubjectTerms | 固体电解质 氧化铝 烧结温度 离子电导率 |
| Title | 烧结温度对陶瓷体氧化铝固体电解质性能的影响 |
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