全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

烧结温度对陶瓷体氧化铝固体电解质性能的影响

DOI: 10.7521/j.issn.0454-5648.2014.07.12

Full-Text   Cite this paper   Add to My Lib

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1600℃。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。

References

[1]   HUESO K B, ARMAND M, ROJO T, High temperature sodium batteries: status, challenges and future trends [J]. Energy Environmen Sci, 2013,6:734-749.
[2]   WEN Z, HU Y, WU X, et al. Main Challenges for High Performance NAS Battery: Materials and Interfaces [J]. AdvFunct Mater, 2013,23:1005-1018.
[3]   LU X, XIA G, LEMMON J P, et al. Advanced materials for sodium-beta alumina batteries: Status, challenges and perspectives [J]. J Power Sources, 2010,195(9):2431-2442.
[4]   ZHU C, XUE J. Structure and properties relationships of β-Al2O3 electrolyte materials [J]. J Alloys Compd, 2012, 517:182-185.
[5]   MALI A, PETRIC A, Fabrication of a thin walled β″-alumina electrolyte cells [J]. J Power Sources, 2011, 196(11): 5191-5196.
[6]   温兆银,林祖纕,江东亮.尖晶石对β/β″-Al2O3膜相组成和离子导电性的影响[J].应用化学,1998, 15(1): 65-67.
[7]  WEN Z, LIN Z JIANG D. Chin J Appl Chem (inChinese), 1998, 15(1): 65-67.
[8]   OSHIMA T, KAJITA M, OKUNO A. Development of sodium-sulfur batteries [J]. Appl Ceram Tech, 2004, 1(3): 269-276.
[9]   朱承飞,薛金花,王李,等.EDTA配合法制备β-Al2O3固体电解质[J].无机化学学报,2010, 26(7):1165-1170.
[10]  ZHU C,XUE J, WANG L, et al. Chin J inorg Chem, 2010, 26(7):1165-1170.
[11]   陈昆刚,林祖纕,樊增钊,等.部分合成法制备Na-β″-Al2O3陶瓷[J].无机材料学报,1997, 12(05): 725-728.
[12]  CHEN K, LIN Z, FAN Z, et al. J Inorg Mater (inChinese), 1997, 12(5): 725-728.
[13]   HODGE J D. Kinetics of the β″ to β transformation in the system Na2O-Al2O3 [J]. J Am Ceram Soc, 1983, 66(3): 166-169.
[14]   LEE D D, KIM J H, KIM Y H. The relative stability of band β″-phases in Na2O-Al2O3 beta alumina [J]. J Mater Sci, 1990,25: 2897-2900.
[15]   YOUNGBLOOD G, VIRKAR A V, CANNON W R, et al. Sintering processes and heat treatment schedules for conductive, lithia-stabilized β″-Al2O3 [J]. Am Ceram Bull, 1977, 56: 206-210.
[16]   WEN Z Y, CAO J D, GU Z H, et al. Research on sodium sulfur battery for energy storage [J]. Solid State Ionics, 2008, 179(27-32): 1697-1701.
[17]   PARK J H, KIM K H, LIM S K. Influence of stabilizers on Na-beta″-Al2O3 phase formation in Li2O(MgO)-Na2O-Al2O3 ternary systems [J]. J Mater Sci, 1998, 33(23): 5671-5675.
[18]   ENGSTROM H, BATES J B, BRUNDAGE W E, et al. Ionic conductivity of sodium beta″-alumina [J]. Solid State Ionics, 1981, 2(4): 265-276.
[19]  

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133