Carbon Capture Technology World Expo
Smoltek Highlights Global Iridium Shortage at Hydrogen Event in Hamburg
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Smoltek Nanotech Holding AB (publ) (“Smoltek” or “the Company”) announces that its subsidiary Smoltek Hydrogen AB recently participated in the Hydrogen Technology World Expo 2025 in Hamburg, Germany – the world’s largest industry event for innovation in hydrogen and electrolysis technology. Ellinor Ehrnberg, President of Smoltek Hydrogen, was invited to a panel discussion on the topic “Overcoming the Key Obstacles in Electrolyzer Expansion”, where she highlighted one of the most crucial challenges for the hydrogen industry today – the global shortage of iridium – and at the same time presented Smoltek’s nanotechnology-based solution for large-scale and fossil-free hydrogen production that enables smaller and more cost-effective electrolyzers.
During the panel discussion, Ellinor Ehrnberg emphasized how the growing demand for green hydrogen is constrained by the very limited supply of iridium, a rare and extremely expensive metal that is crucial for Proton Exchange Membrane (PEM) electrolyzers, the leading technology for the production of completely fossil-free hydrogen.
“At the very heart of a PEM electrolyzer lies iridium – and there is currently no substitute. Only 7-9 tons are mined globally each year, and production cannot be increased. Unless we drastically reduce the amount used in hydrogen production, the iridium shortage will stop the scale-up of green hydrogen before it even starts,” said Ellinor Ehrnberg, President of Smoltek Hydrogen.
Ellinor's message was received very positively by both industry colleagues and potential partners, further strengthening Smoltek Hydrogen's position as a key innovator addressing one of the hydrogen industry's biggest challenges – the iridium problem.
Smoltek’s breakthrough: 95% less lridium, same performance
Smoltek Hydrogen's proprietary Porous Transport Electrode (PTE) technology provides an innovative and scalable solution to the iridium problem. By using nanostructured carbon fibers that increase the active surface area by up to 30 times, iridium can be applied with extreme precision at the atomic level.
Read more here: Smoltek Highlights Global Iridium Shortage at Hydrogen Event
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