Properties of garnet-type Li6La3ZrTaO12 solid electrolyte films fabricated by aerosol deposition method

被引：29
|
作者：
Inada, Ryoji [1 ]
Okada, Takayuki [1 ]
Bando, Akihiro [1 ]
Tojo, Tomohiro [1 ]
Sakurai, Yoji [1 ]
机构：
[1] Toyohashi Univ Technol, Dept Elect & Elect Informat Engn, 1-1 Hibarigaoka,Tempaku Cho, Toyohashi, Aichi 4418580, Japan
来源：
PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL | 2017年 / 27卷 / 03期
基金：
日本学术振兴会;
关键词：
Lithium-ion; Garnet; Solid electrolyte; Thick film; Aerosol deposition; Ionic conductivity; HIGH IONIC-CONDUCTIVITY; ELECTROCHEMICAL PROPERTIES; STATE BATTERIES; THICK-FILMS; LI7LA3ZR2O12; LI-7-XLA3ZR2-XTAXO12; AL; OXIDES; ZR;
D O I：
10.1016/j.pnsc.2017.06.002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The garnet-type Li6La3ZrTaO12 (LLZT) solid electrolyte films were fabricated by aerosol deposition (AD) method. Ball-milled LLZT powder with a cubic garnet structure and a particle size of 1-2 mu m was used as raw material and deposited directly on a SUS316L or a glass substrate via impact consolidation. As-deposited LLZT film has a cubic garnet structure but contains Li2CO3 and La2Zr2O7 phases. SEM observation revealed that the film consists of LLZT particles fractured into submicron size. The impurity phase formation during AD process was caused by the local heating by the collision between LLZT particles and deposition surface and reaction with CO2. The Li+ ion conductivity of LLZT film was estimated to be 0.24 x 10(-5) S cm(-1) at room temperature. Electronic conductivity of LLZT film was confirmed to be around 10(-12) S cm(-1), indicating the dominant Li+ ion conduction of LLZT film.
引用
收藏
页码：350 / 355
页数：6
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