Superior Ion-Conducting Hybrid Solid Electrolyte for All-Solid-State Batteries

被引:77
|
作者
Kim, Jae-Kwang [1 ,2 ]
Scheers, Johan [2 ]
Park, Tae Joo [3 ]
Kim, Youngsik [1 ]
机构
[1] Ulsan Natl Inst Sci & Technol, Sch Energy & Chem Engn, Ulsan 689798, South Korea
[2] Chalmers, Dept Appl Phys, S-41296 Gothenburg, Sweden
[3] Ulsan Natl Inst Sci & Technol, Sch Life Sci, Ulsan 689798, South Korea
关键词
anions; electrochemistry; energy storage; ion pairs; nanoparticles; COMPOSITE POLYMER ELECTROLYTES; LITHIUM BATTERIES; RECHARGEABLE BATTERIES; LIQUID; GLASS; PAIRS;
D O I
10.1002/cssc.201402969
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Herein, we developed a high-performance lithium ion conducting hybrid solid electrolyte, consisted of LiTFSI salt, Py14TFSI ionic liquid, and TiO2 nanoparticles. The hybrid solid electrolyte prepared by a facile method had high room temperature ionic conductivity, excellent thermal stability and low interface resistance with good contact. In addition, the lithium transference number was highly increased by the scavenger effect of TiO2 nanoparticles. With the hybrid solid electrolyte, the pouch-type solid-state battery exhibited high initial discharge capacity of 150mAhg(-1) at room temperature, and even at 1C, the reversible capacity was as high as 106mAhg(-1).
引用
收藏
页码:636 / 641
页数:6
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