Transport of alkali metal cations in poly(3,4-ethylenethiophene) films

被引：23

作者：

Lisowska-Eksiak, A ^{[1
]}

Kupniewska, A ^{[1
]}

机构：

[1] Gdansk Univ Technol, Fac Chem, PL-80952 Gdansk, Poland

来源：

SOLID STATE IONICS | 2003年 / 157卷 / 1-4期

关键词：

poly(3,4-ethylenethiophene); synthetic metals; ion transport; cathode materials; electrochemical quartz microbalance; impedance spectroscopy;

D O I：

10.1016/S0167-2738(02)00216-3

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：

An electrochemically synthesised composite film, which consisted of poly(3,4-ethylenedioxythiophene) and poly(4-styrenesulfonate), was characterised by impedance spectroscopy and electrochemical quartz microbalance techniques in contact with aqueous electrolytes: LiCl, NaCl, KCl, CsCl. The influence of water flux on the ion transport measured as an excess of accompanied mass transfer changes in series: Li+ >Na+ >K+ >Cs+. Polymer ionic resistivity depends on the type of cations and changes such as: Li+ >Na+ K+, Cs+. The capacitance of the polymer was related to the type of cations pointing out caesium as the best co-ion. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：241 / 248

页数：8

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