Reduction of iridium specific density (Ir-PD) in PEM electrolyzers

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Proton Exchange Membrane electrolyzer technology developed by Hydrogenics. The article describes it as next-generation with the highest power density and lowest carbon footprint of any such system in the world.

Iridium (Ir) is used as a catalyst in PEM electrolyzers to facilitate the oxygen evolution reaction at the anode. It provides the best balance of activity and stability under harsh oxidizing conditions and has no viable substitute among precious metals.

A process used by Hydrogenics to produce hydrogen, which can be stored and later converted back to energy through fuel cells.

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