Novel proton conducting polymer electrolyte based on poly(vinyl alcohol) and trifluoromethane sulfonic acid

被引：0

作者：

Lewandowski, A ^{[1
]}

Skorupska, K ^{[1
]}

机构：

[1] Poznan Univ Tech, Inst Chem, PL-60965 Poznan, Poland

来源：

POLISH JOURNAL OF CHEMISTRY | 2001年 / 75卷 / 11期

关键词：

polymer electrolyte; trifluoromethane sulfonic acid; electrical conductivity; activation energy; protonic conductivity;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of proton conducting, thin-film solid electrolytes, based on poly(vinyl alcohol), trifluoromethane sulfonic. acid and water (PVA-CF3SO3H-H2O) were prepared by the casting technique. The polymer electrolytes were transparent with a slightly brownish coloration. Maximum conductivity is obtained for samples containing about 40 wt.% of PVA, 36 wt.% of CF3SO3H and 24 wt.% of water, and reaches a level of ca. 10(-2) S/cm at room temperature. The temperature dependence of the conductivity indicates the Arrhenius-type behaviour of the system for all compositions of the PVA-CF3SO3H-H2O electrolytes, with activation energy of 30 kJ/mol (0.31 eV).

引用

页码：1745 / 1752

页数：8

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