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author:

陈宇 (陈宇.) [1] | 张玉荣 (张玉荣.) [2]

Indexed by:

CQVIP PKU CSCD

Abstract:

以LiTi2(PO4)3为母体,以天然高岭石为起始原料,经高温固相反应制得了一系列新的锂快离子导体Li1.2+x-yYxTi1.9-xAl0.1Si0.1SyP2.9-yO12(以下简称Y-S-Lisicon).X射线粉末衍射分析结果表明在x≤0.3,y<(0.2+x)的组成范围内均能得到类似于Nasicon三方结构的相,同时还存在其他杂相.应用交流阻抗技术测定电导率的结果表明起始组成为x=0.1,y=0.15的合成物电导率最高,其在室温下的电导率为2.93×10-5 S·cm-1,在673 K时可达3.62×10-2 S·cm-1,其在473~673 K间的活化能为37.19 kJ·mol-1,分解电压为3.0 V.

Keyword:

Y-S-Lisicon 矿物锂快离子导体 稀土 高岭石

Community:

  • [ 1 ] 福州大学化学化工学院,福建福州350002

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Source :

中国稀土学报

ISSN: 1000-4343

Year: 2005

Issue: 2

Volume: 23

Page: 179-182

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 1

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