Concept for charge storage in electrochemical capacitors with functionalized carbon electrodes

被引：22
|
作者：
Pech, David [1 ,2 ]
Guay, Daniel [2 ]
Brousse, Thierry [3 ]
Belanger, Daniel [1 ]
机构：
[1] Univ Quebec, Dept Chim, Montreal, PQ H3C 3P8, Canada
[2] INRS Energie, Varennes, PQ J3X 1S2, Canada
[3] Univ Nantes, Lab Genie Mat & Procedes Assoc, EA2664, F-44306 Nantes, France
来源：
ELECTROCHEMICAL AND SOLID STATE LETTERS | 2008年 / 11卷 / 11期
基金：
加拿大自然科学与工程研究理事会;
关键词：
D O I：
10.1149/1.2973328
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Carbon functionalized with sulfophenyl moieties provides an interesting way to understand the interdependence between the ionic species of the electrolyte and the electrode materials in carbon-based electrochemical capacitors. In situ measurements of the ionic resistivity of the electrolyte upon polarization revealed that sulfophenyl grafted groups can provide the ionic species required for the formation of a novel type of electrical double layer. This charge storage mechanism can potentially lead to the development of electrochemical capacitors with smaller amounts of electrolyte. (C) 2008 The Electrochemical Society.
引用
收藏
页码：A202 / A205
页数：4
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