Abstract
In this study, the inclusion of polymer membrane based on polyvinyl alcohol and tributyl phosphate (TBP/PVA) was prepared. The membrane is characterized by FT-IR spectroscopy and thermogravimetric analysis. This characterization revealed a good interaction between the base polymer PVA and the modifier TBP, and an adequate thermal stability, which is essential for fuel cell applications. Then, several physicochemical tests were carried out to study the possibility of its use as an electrolyte membrane in direct methanol fuel cell (DMFC). The water uptake, methanol permeability and Ion exchange capacity are investigated and compared to that of Nafion 117. The TBP/PVA membrane shows better methanol barrier property and appropriate ion exchange capacity which makes it attractive for use in a DMFC system.
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