Polymerized ionic liquids via hydroboration polymerization as single ion conductive polymer electrolytes

被引：162

作者：

Matsumi, Noriyoshi ^{[1
]}

Sugai, Kazunori ^{[1
]}

Miyake, Masufumi ^{[1
]}

Ohno, Hiroyuki ^{[1
]}

机构：

[1] Tokyo Univ Agr & Technol, Dept Biotechnol, Koganei, Tokyo 1848588, Japan

来源：

MACROMOLECULES | 2006年 / 39卷 / 20期

关键词：

D O I：

10.1021/ma060472j

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Novel polymerized ionic liquids having an organoboron unit were prepared for the purpose of selective lithium cation transport. Hydroboration polymerization of 1,3-diallylimidazolium bromide and subsequent anion exchange reaction with LiTFSI [lithium bis(trifluoromethylsulfonyl)imide] afforded the corresponding organoboron polymer electrolytes in 89-81% yield. The structure of polymers was supported by H-1 and B-11 NMR spectra. After the addition of an equimolar amount of LiTFSI toward the organoboron unit, an ionic conductivity of 3.74 x 10(-5)-1.93 x 10(-5) S/cm was observed at 50 degrees C. The lithium transference number for these systems was 0.87-0.45 at 30 degrees C. This demonstrates that anion trapping of the organoboron unit works very effectively in IL-based matrices compared with polyether-type matrices.

引用

页码：6924 / 6927

页数：4

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