Preparation and characterization of a ZrO2-TiO2-co-doped Na-β"-Al2O3 ceramic thin film

被引：10

作者：

Zhao, K. ^{[1
]}

Liu, Y. ^{[1
,2
]}

Zeng, S. M. ^{[1
]}

Yang, J. H. ^{[1
]}

Liu, Y. W. ^{[3
]}

Zhan, Z. L. ^{[1
]}

Song, L. J. ^{[3
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Ceram, 1295 Dingxi Rd, Shanghai 200050, Peoples R China

[2] Shanghai Elect Sodium Sulfur Batteries Energy Sto, 1997 Jiazhu Rd, Shanghai 201815, Peoples R China

[3] Aluminum Corp China Ltd, Shandong Branch, 1 Wugongli Rd, Zibo 255052, Shandong, Peoples R China

来源：

CERAMICS INTERNATIONAL | 2016年 / 42卷 / 07期

关键词：

Tape casting; Na-beta ''-Al2O3; Thin film; ZrO2-TiO2-co-doping; SODIUM-ION BATTERIES; SOL-GEL METHOD; ELECTROLYTE; CHALLENGES; DEPOSITION;

D O I：

10.1016/j.ceramint.2016.02.091

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This work focused on the preparation and characterization of a Mg2+ stabilized 8wt%-ZrO2-2wt%-TiO2-co-doped Na-beta ''-Al2O3 ceramic thin film. A fine powder with high beta ''-phase (Na1.76Mg0.67Al10.33O17) purity of 96.86% was obtained by a modified solid state reaction. ZrO2 and TiO2 were doped into the pristine Na-beta ''-Al2O3 ceramic to achieve a high mechanical strength and a high densification. The sintered 8wt%-ZrO2-2wt%-TiO2-co-doped Na-beta ''-Al2O3 pellet exhibits a mechanical strength of 192 Mpa and an ionic conductivity of 0.28 S cm(-1) at 350 degrees C. An environmentally friendly tape casting method was utilized to prepare the Mg2+ stabilized Na-beta ''-Al2O3 green tape. The dense Na-beta ''-Al2O3 thin film with a thickness of approximately 100 mu m was obtained by sintering the green tape, at 1500 degrees C for 2 h. It is a promising electrolyte for the development of the room temperature ceramic-based sodium ion battery. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.

引用

页码：8990 / 8996

页数：7

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