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The ability to catalyze the oxidation of both H2 and CO in one reaction pot would be a major boon to hydrogen technology since CO is a consistent contaminant of H2 supplies. Here, we report just such a catalyst, with the ability to catalyze the oxidation of either or both H2 and CO, based on the pH value. This catalyst is based on a NiIr core that mimics the chemical function of [NiFe]hydrogenase...
Ein [NiIr]‐basierter Katalysator bietet der CO‐Vergiftung die Stirn, indem er das Gas als Brennstoff verwendet. Das Katalysatorsystem kann H2 bei niedrigen pH‐Werten und CO bei hohen pH‐Werten oxidieren. Bei pH 7 werden beide Oxidationen zugleich katalysiert. In der Zuschrift auf S. 9855 berichten S. Ogo et al. über einen Brennstoffzellenprototyp, der mit einem 50:50‐Vorrat an H2 und CO betrieben...
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