Aqueous zinc-polyaniline secondary battery

被引：37
|
作者：
Li, Shengqi [1 ]
Zhang, Guolin [1 ]
Jing, Guolin [1 ]
Kan, Jinqing [1 ]
机构：
[1] Yangzhou Univ, Sch Chem & Chem Engn, Yangzhou 225002, Peoples R China
来源：
SYNTHETIC METALS | 2008年 / 158卷 / 06期
基金：
中国国家自然科学基金;
关键词：
electroactive polyaniline; 1-ethyl-3-methylimidazolium-ethyl sulfate; ionic liquid; Zn-polyaniline battery;
D O I：
10.1016/j.synthmet.2008.01.008
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
An aqueous zinc-polyaniline secondary battery was constituted by the polyaniline synthesized in a mixed solution containing 0.60 mol dm(-3) aniline, 1.20 mol dm(-3) 1-ethyl-3-methylimidazolium-ethyl sulfate (EMIES) and 2.0 mol dm(-3) H2SO4, Zn foil and an electrolytic solution containing 2.0 mol dm(-3) ZnCl2 and 3.0 mol dm(-3) NH4Cl with pH 6.0. The capacity and energy densities of the polyaniline are 141.2 A h kg(-1) and 169.4 W h kg(-1) for discharge process at 0.5 mA cm(-2), respectively, which are much better than those of the polyaniline synthesized in HCl at the same current densities. The battery was successively charged/discharged at constant current densities, the columbic efficiency was 95.5% at 150th cycle, and the energy density of the battery was lower by only 6.0% at 150th cycle than at 1st cycle. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：242 / 245
页数：4
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