The possible use of polymer gel electrolytes in nickel/metal hydride battery

被引：112

作者：

Iwakura, C ^{[1
]}

Nohara, S ^{[1
]}

Furukawa, N ^{[1
]}

Inoue, H ^{[1
]}

机构：

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

来源：

SOLID STATE IONICS | 2002年 / 148卷 / 3-4期

关键词：

polymer gel electrolyte; ionic conductivity; nickel/metal hydride battery; charge-discharge characteristics; charge retention;

D O I：

10.1016/S0167-2738(02)00092-9

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：

Alkaline polymer gel electrolyte was prepared from potassium salt of cross-linked poly(acrylic acid) and KOH aqueous solution in order to investigate the applicability of the polymer gel electrolyte to alkaline secondary batteries such as nickel/metal hydride (Ni/MH) battery. The polymer gel electrolyte was found to have high ionic conductivity and wide potential window almost comparable to the KOH aqueous solution over the wide ranges of KOH concentration and temperature. An experimental Ni/MH cell was assembled using polymer gel electrolyte and its charge-discharge and capacity retention characteristics were tested. The cell using the polymer gel electrolyte exhibited somewhat better charge-discharge and capacity retention characteristics at 25 degreesC compared with a similar type of cell assembled using KOH aqueous solution. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：487 / 492

页数：6

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