Abstract
A sol-gel method was used as a means of forming stable proton conducting glass materials constituted of heteropolyacids (HPA), i.e phosphotungstic acid (PWA) and phosphomolybdic acid (PMA) and silicaphosphate and these were subsequently investigated and reported on as electrolytes for H2/O2 fuel cells. These devices have attracted a considered amount of research effort in recent years, aimed at providing a better understanding of the factors affecting their performances. The performance of H2/O2 fuel cells based on glass composite membrane is dependent on the ability of the cell to transfer gases to the membrane electrode assembly (MEA) with various electrode thickness at various flow rates. In the present investigation, the performance of a fuel cell was characterized after optimization of its MEA. Thus, a membrane based thereof is a promising electrolyte, applicable to H2/O2 fuel cells operating at room temperature with various flow rates.
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