Macromolecular protic ionic liquid-based proton-conducting membranes for anhydrous proton exchange membrane application

被引：53
作者：
Chu, Fuqiang [1 ]
Lin, Bencai [1 ]
Yan, Feng [1 ]
Qiu, Lihua [1 ]
Lu, Jianmei [1 ]
机构：
[1] Soochow Univ, Jiangsu Key Lab Adv Funct Polymer Design & Applic, Dept Polymer Sci & Engn, Coll Chem Chem Engn & Mat Sci, Suzhou 215123, Peoples R China
来源：
JOURNAL OF POWER SOURCES | 2011年 / 196卷 / 19期
关键词：
Ionic liquid; Polyamidoamine dendrimer; Polymer electrolyte membrane; Fuel cells; NAFION COMPOSITE MEMBRANES; POLYMER ELECTROLYTE; PAMAM DENDRIMERS; ACID; SILICA;
D O I：
10.1016/j.jpowsour.2011.05.064
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：
A type of anhydrous proton-conducting membranes are prepared via in situ cross-linking of polymerizable oils containing polyamidoamine (PAMAM) dendrimer-based macromolecular protic ionic liquids (PILs). The resultant composite membranes are transparent, flexible, and thermally stable up to 350 degrees C. Under anhydrous conditions, the macromolecular PIL-based membranes show proton conductivity of 1.2 x 10(-2) S cm(-1) at 160 degrees C, which is higher than that of the membranes containing small-molecule PILs. Furthermore, the macromolecular PIL-based composite membranes have much better PIL retention ability than which containing small-molecule PILs. These properties make this type of macromolecular PIL-based membranes suitable for high-temperature anhydrous polymer electrolyte membrane fuel cells. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：7979 / 7984
页数：6
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