Single Lithium-Ion Conducting Polymer Electrolytes Based on a Super-Delocalized Polyanion

被引：397

作者：

Ma, Qiang ^{[1
]}

Zhang, Heng ^{[1
]}

Zhou, Chongwang ^{[1
]}

Zheng, Liping ^{[1
]}

Cheng, Pengfei ^{[1
]}

Nie, Jin ^{[1
]}

Feng, Wenfang ^{[1
]}

Hu, Yong-Sheng ^{[2
]}

Li, Hong ^{[2
]}

Huang, Xuejie ^{[2
]}

Chen, Liquan ^{[2
]}

Armand, Michel ^{[3
]}

Zhou, Zhibin ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Chem & Chem Engn, Minist Educ, Key Lab Large Format Battery Mat & Syst, 1037 Luoyu Rd, Wuhan 430074, Peoples R China

[2] Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Key Lab Renewable Energy,Beijing Key Lab New Ener, Beijing 100190, Peoples R China

[3] CIC Energigune, Alava Technol Pk, Minano 4801510, Alava, Spain

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2016年 / 55卷 / 07期

基金：

中国国家自然科学基金;

关键词：

blended polymer electrolytes; ion conductors; lithium batteries; Li-ion conductivity; METAL BATTERIES; ANION; SALT; ENHANCEMENT; BEHAVIOR; BORATE; CELLS;

D O I：

10.1002/anie.201509299

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel single lithium-ion (Li-ion) conducting polymer electrolyte is presented that is composed of the lithium salt of a polyanion, poly[(4-styrenesulfonyl) (trifluoromethyl ( S-trifluoromethylsulfonylimino) sulfonyl) imide] (PSsTFSI(-)), and high-molecular-weight poly (ethylene oxide) (PEO). The neat LiPSsTFSI ionomer displays a low glasstransition temperature (44.3 degrees C; that is, strongly plasticizing effect). The complex of LiPSsTFSI/PEO exhibits a high Li-ion transference number (t(Li)(+) = 0.91) and is thermally stable up to 300 degrees C. Meanwhile, it exhibits a Li-ion conductivity as high as 1.35 x 10(-4) S cm(-1) at 90 degrees C, which is comparable to that for the classic ambipolar LiTFSI/PEO SPEs at the same temperature. These outstanding properties of the LiPSsTFSI/PEO blended polymer electrolyte would make it promising as solid polymer electrolytes for Li batteries.

引用

页码：2521 / 2525

页数：5

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