Chemical capacitor based on activated carbon powder and poly(vinyl alcohol)-H2SO4 proton conducting polymer electrolyte

被引：0

作者：

Lewandowski, A ^{[1
]}

Galinski, M ^{[1
]}

机构：

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

来源：

POLISH JOURNAL OF CHEMISTRY | 2001年 / 75卷 / 12期

关键词：

activated carbon; poly(vinyl alcohol); polymer electrolyte; supercapacitor;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A totally solid state electric double layer capacitor was fabricated using a PVA-H2SO4-H2O polymer electrolyte and activated carbon powder (ACP) as an electrode material. The polymer electrolyte served both as a separator as well as a binder of carbon powder. The PVA-H2SO4-H2O (separator) as well as PVA-H2SO4-H2O-ACP foils were prepared by the solution cast technique. The electric performance of the capacitors was investigated by cyclic voltammetry, galvanostatic charging/discharging and impedance spectroscopy. The prototype capacitors were assembled by contacting three foils (electrode + electrolyte + electrode) having a thickness of ca. 1.5-2 mm, a diameter of 1.8 cm and a capacity of ca. 0.6-1.5 F. The specific capacitance of ACP was estimated to be of ca. 130 F/g.

引用

页码：1913 / 1920

页数：8

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