Influences of ZrO2 content on microstructural and ionic conductivity of Li1.4Al0.4Ti1.6(PO4)3 solid-state electrolytes

被引：0
|
作者：
Li, Shuixian [1 ]
Shang, Fei [1 ]
Wang, Yi [1 ]
Chen, Guohua [1 ,2 ]
机构：
[1] Guilin Univ Elect Technol, Sch Mat Sci & Engn, Guangxi Key Lab Informat Mat, Guilin 541004, Peoples R China
[2] Guilin Univ Elect Technol, Guangxi Key Lab Informat Mat, Guilin 541004, Peoples R China
来源：
SOLID STATE IONICS | 2024年 / 406卷
基金：
中国国家自然科学基金;
关键词：
Ceramics; Solid-state electrolytes; Ionic conductivity; Li1.4Al0.4Ti1.6(PO4)(3); ELECTRICAL-PROPERTIES; LITHIUM; MECHANISMS; CHROMIUM; ALUMINUM; SYSTEM;
D O I：
10.1016/j.ssi.2024.116460
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
NASICON-type electrolyte Li1.4Al0.4Ti1.6(PO4)(3) attracts great attention with its high grain conductivity and stable microstructure. In this work, the Li1.4Al0.4Ti(1.6-x)Zrx(PO4)(3) solid-state electrolytes were synthetized. And the influences of ZrO2 addition on microstructural evaluation and ionic conductivity of Li1.4Al0.4Ti(1.6-x)Zrx(PO4)(3) were studied using powder X-ray diffraction, scanning electron microscopy and impedance spectroscopy. All synthetic samples adopted single phase LiTi2(PO4)(3) with NASICON type structure. The highest ionic conductivity of 0.54 mS/cm and the minimum activation energy of 0.232 eV were achieved for x = 0.04 sample sintered at 850 degrees C. These results indicate that ZrO2 added Li1.4Al0.4Ti1.6(PO4)(3) ceramic has a potential application in solid electrolytes.
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页数：9
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