Smoltek Hydrogen and Heraeus Precious Metals have agreed to jointly develop advanced iridium-based catalyst solutions for PEM electrolysers to improve the total cost of ownership (TCO).
Under a strategic collaboration agreement, the two companies aim to enhance the functional efficiency of porous transport electrodes (PTEs) in PEM systems, whilst “redefining” iridium efficiency for hydrogen production.
The approach will integrate the porous transport layer with ultra-thin iridium and platinum catalytic coatings. This could cut iridium usage while boosting efficiency and lowering costs.
To the partnership, Smoltek will contribute its nanostructured, ultra-low iridium technology, having already achieved a 0.1 mg/cm² iridium loading in PEM electrolysers. Heraeus provides expertise in catalyst formulations, including ruthenium-iridium catalysts.
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