Water-stable lithium anode with Li1.4Al0.4Ge1.6(PO4)3-TiO2 sheet prepared by tape casting method for lithium-air batteries

被引：52
|
作者：
Zhang, Ming [1 ,2 ]
Takahashi, Keita [2 ]
Uechi, Ichiro [2 ]
Takeda, Yasuo [2 ]
Yamamoto, Osamu [2 ]
Im, Dongmin [3 ]
Lee, Dong-Jonne [3 ]
Chi, Bo [1 ]
Pu, Jian [1 ]
Li, Jian [1 ]
Imanishi, Nobuyuki [2 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Hubei, Peoples R China
[2] Mie Univ, Fac Engn, Dept Chem, Tsu, Mie 5148507, Japan
[3] Samsung Elect, Samsung Adv Inst Technol, Yongin 446712, Gyeonggi, South Korea
来源：
JOURNAL OF POWER SOURCES | 2013年 / 235卷
关键词：
Lithium-air battery; Lithium anode; Lithium ion conductor; NASICON-type; 1; SECONDARY BATTERIES; POLYMER ELECTROLYTE;
D O I：
10.1016/j.jpowsour.2013.01.167
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：
A Li1.4Al0.4Ge1.6(PO4)(3) (LAGP) sheet was prepared using a tape casting method with a fine LAGP power prepared from a sol-gel precursor. The addition of nanosize TiO2 as a sintering additive was effective to enhance the ionic conductivity of the tape-cast sheet. The highest electrical conductivity of 837 x 10(-4) S cm(-1) was observed for the tape-cast LAGP sheet with 5 wt% TiO2 at 25 inverted perpendicular C. A hybrid sheet of the tape-cast LAGP and epoxy resin was water impermeable. The electrical conductivity of the water impermeable hybrid sheet with ca. 4% epoxy resin was 4.19 x 10(-4)S cm(-1) at 25 degrees C. The three-point bending strength of the LAGP-5 wt%TiO2-epoxy resin hybrid sheet was 111 N mm(-2), which is comparable with a Li1+x+yAlxTi2-xP3-ySiyO glass ceramic plate. The Li/PEO18(CF3SO2)(2)N/LAGP-5 wt.% TiO2 epoxy sheet was successfully operated as a lithium electrode in saturated LiCl aqueous solution. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：117 / 121
页数：5
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