Electrochemical characteristics of new electric double layer capacitor with acidic polymer hydrogel electrolyte

被引：78

作者：

Wada, Hajime

Yoshikawa, Kumiko

Nohara, Shinji

Furukawa, Naoji

Inoue, Hiroshi

Sugoh, Nozomu

Iwasaki, Hideharu

Iwakura, Chiaki

机构：

[1] Osaka Prefecture Univ, Grad Sch Engn, Dept Appl Chem, Sakai, Osaka 5998531, Japan

[2] Kuraray Co Ltd, Kurashiki Res Lab, Kurashiki, Okayama 7108691, Japan

来源：

JOURNAL OF POWER SOURCES | 2006年 / 159卷 / 02期

关键词：

acidic polymer hydrogel electrolyte; electric double layer capacitor; poly(vinyl alcohol); self-discharge characteristics;

D O I：

10.1016/j.jpowsour.2005.11.073

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The acidic polymer hydrogel electrolyte was prepared from 1M H2SO4 aqueous solution, poly(vinyl alcohol) (PVA) and glutaraldehyde (GA). A new electric double layer capacitor (EDLC) with the polymer hydrogel electrolyte was assembled, and its electrochemical characteristics were investigated. As a result, the EDLC cell with the polymer hydrogel electrolyte exhibited almost the same discharge capacitance and high-rate dischargeability as that with a 1M H2SO4 aqueous solution as an electrolyte. It was also found that the self-discharge was remarkably suppressed by using the polymer hydrogel electrolyte. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：1464 / 1467

页数：4

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