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Characterization of Bipolar Ion Exchange Membrane for Polymer Electrolyte Fuel Cells by AYATO, Yusuke; OKADA, Tatsuhiro; YAMAZAKI, Yohtaro is a Engineering article available to read on EtoBox.

What is Characterization of Bipolar Ion Exchange Membrane for Polymer Electrolyte Fuel Cells about?

A new polymer electrolyte fuel cell with a bipolar membrane was proposed with a view to increasing the pem2ormance of low temperature PEFCs。The bipolar membrane consists of an acid and a basic ion-exchange layers。The acid layer contacts to the anode and the basic layer contacts to the cathode.The observed open circuit voltage with the proposed cell was O。882V.The result implies that the modification of a bipolar membrane fuel cell may leads to a high performance fuel cel1.It was observed that the OH-ion conductivity with a basic ion-exchange membrane Neosepta was comparable to the conductivity of H+in Nafion membrane.In the bipolar membrane,however,the measured conductivity was l order lower than that of Nafion membrane.This result would be caused by the e》dstence of a resistance layer between the acid and the basic polymer layers,The polarization characteristics were measured by considering the MEApreparation methods.We achieved the polarization pem2ormance for the bipolar electro-1ytefuelcellusingscreen-printingMEApreparationmethod.ThehighestpowerdensitywasO、026Wcm-2。 κ召ッ四〇74s:Bipolar Membrane,Polymer Electrolyte,Fuel Cell

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Author

AYATO, Yusuke; OKADA, Tatsuhiro; YAMAZAKI, Yohtaro

Publisher

The Electrochemical Society of Japan; Electrochemical Society of Japan (ISSN 1344-3542)

Published

2003

Language

EN

Field

Engineering (Physical Sciences)