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A Polymer Electrolyte Membrane Fuel Cell Based on Zirconium Phosphate and Phosphoric Acid

Lookup NU author(s): Dr Minquaing Li, Emeritus Professor Keith Scott

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Abstract

Poly(tetrafluoro ethylene) zirconium phosphate (PTFE/ZrP2O7 center dot xHPO(3)) composite membranes were fabricated to develop a fuel cell membrane for operation at temperatures from 120 to 200 degrees C. A porous PTFE membrane was used as the membrane-supporting structure and ZrP2O7 center dot xHPO(3) sol as the proton conductor. The PTFE/ZrP2O7 center dot xHPO(3) membrane had a high proton conductivity greater than 0.1 S cm(-1) at 0% relative humidity. The mechanical strength of the composite membrane was good, exhibiting a load before a rupture of 10.25 MPa. The PTFE/ZrP2O7 center dot xHPO(3) composite membrane is a promising material for the intermediate temperature proton-conducting membrane fuel cell. (C) 2009 The Electrochemical Society. [DOI:10.1149/1.3242214] All rights reserved.

Publication metadata

Author(s): Li MQ, Scott K

Publication type: Article

Publication status: Published

Journal: Electrochemical and Solid-State Letters

Year: 2009

Volume: 12

Issue: 12

Pages: B171-B175

Print publication date: 01/01/2009

ISSN (print): 1099-0062

ISSN (electronic): 1944-8775

Publisher: Electrochemical Society

URL: http://dx.doi.org/10.1149/1.3242214

DOI: 10.1149/1.3242214

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