Abstract
Photocatalysis was used to produce hydrogen via alcohol dehydrogenation with a Pt/TiO2 catalyst. An experiment of coupling was realized between a photocatalytic hydrogen production reactor and an air-breathing PEM fuel cell. The photocatalytic hydrogen consumption rate achieved an optimum value for a loading of 1 wt% of platinum. Three different alcohols were compared. Their hydrogen production efficiency and the maximum current for the PEM fuel cell were compared and were ranged as: methanol ≥ ethanol > 2-propanol. The photocatalytic production was successfully used to feed the PEM fuel cell and reached a current of 0.202 A corresponding to a current density of 8.1 mA cm−2. No poisoning effect occurred for 100 h of working.
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