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
收藏
页码：1464 / 1467
页数：4
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