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This work aims to evaluate the performance of iridium and iridium-containing catalysts for oxygen reactions in acidic environments.

March 19, 2014ACS Catalysis

Iridium As Catalyst and Cocatalyst for Oxygen Evolution/Reduction in Acidic Polymer Electrolyte Membrane Electrolyzers and Fuel Cells

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Overview of iridium catalysts for oxygen reactions in electrolyzers and fuel cells, highlighting their efficiency.

This work aims to evaluate the performance of iridium and iridium-containing catalysts for oxygen reactions in acidic environments.
Overview of irridium-based catalysts for OER in acidic polymer electrolyte membrane water electrolyzers
Evaluation of ORR in proton exchange membrane fuel cell cathodes
Assessment of both OER and ORR in regenerative fuel cell oxygen electrodes
Iridium demonstrates high activity for both OER and ORR, outperforming platinum and ruthenium in relevant environments.
Ir alloyed with first-row transition metals enhances OER activity.
Ir-containing catalysts show promise for efficient energy conversion in fuel cells and electrolyzers.

Ermete Antolini (2014) studied this question.

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