A poly(R1R2R3)-N+/H3PO4 composite membrane for phosphoric acid polymer electrolyte membrane fuel cells

被引：41

作者：

Li, Mingqiang ^{[1
]}

Scott, Keith ^{[1
]}

Wu, Xu ^{[1
]}

机构：

[1] Newcastle Univ, Sch Chem Engn & Adv Mat, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England

来源：

JOURNAL OF POWER SOURCES | 2009年 / 194卷 / 02期

关键词：

Quaternized polysulfone; Phosphoric acid; Intermediate-temperature; Fuel cell; PEMFC; EXCHANGE MEMBRANE; HIGH-TEMPERATURE; CONDUCTIVITY; 100-DEGREES-C; OPERATION;

D O I：

10.1016/j.jpowsour.2009.06.067

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 poly(R1R2R3)-N+/H3PO4 composite membrane has been developed for use in a polymer electrolyte fuel cell (PEMFC). The quaternized polysulfone (QNPSU) membrane doped with H3PO4 showed high proton conductivity (0.12 S cm(-1)) at 160 degrees C and gave good performance in a single fuel cell tests. The peak power density with the QNPSU/H-3 PO4 composite membrane (at 150 degrees C, with dry H-2/O-2) was greater than 0.7 W cm(-2). The effect of the phosphoric acid doping level on fuel cell performances with the QNPSU membrane was investigated. The data show that the QNPSU/H3PO4 composite membrane is promising for higher temperature PEMFC applications. The study demonstrated that the poly(R1R2R3)-N+/H3PO4 composite system produced an effective method to connect phosphoric acid to a non-conducting polymer structure, to produce a promising membrane for phosphoric acid polymer electrolyte membrane fuel cells. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：811 / 814

页数：4

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