Cationic polymerization of poly(vinyl ether) bearing a TEMPO radical: A new cathode-active material for organic radical batteries

被引：110

作者：

Suguro, Masahiro ^{[1
]}

Iwasa, Shigeyuki ^{[1
]}

Kusachi, Yuki ^{[1
]}

Morioka, Yukiko ^{[1
]}

Nakahara, Kentaro ^{[1
]}

机构：

[1] NEC Corp Ltd, Nano Elect Res Lab, Tsukuba, Ibaraki 305, Japan

来源：

MACROMOLECULAR RAPID COMMUNICATIONS | 2007年 / 28卷 / 18-19期

关键词：

D O I：

10.1002/marc.200700300

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

PTVE was synthesized as a new active material for organic radical batteries. Cationic polymerization of a monomer bearing a TEMPO radical moiety took place. The spin concentration of PTVE was estimated to be 2.75 X 10(21) spins g(-1) (100% spin per repeating unit). The PTVE is extremely stable; there is no decrease in spin concentration when storing PTVE samples for more than a year under aerobic conditions at room temperature. The redox potential of PTVE is 3.55 V(vs. Li/Li(+)). A coin-type cell using a PTVE/VGCE composite electrode was also fabricated, and then performed charge/discharge measurements. The discharge capacity if PTVE is 114 mAh center dot g(-1) (84% of the theoretical value).

引用

页码：1929 / 1933

页数：5

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