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Smoltek's nanofibers dramatically increase catalytic activity for ultra-low-iridium electrolysis enabling more cost-effective green hydrogen production.
Smoltek’s Porous TransÂport ElecÂtrode (PTE) techÂnolÂoÂgy increasÂes availÂable surÂface area 30-fold — while using up to 95% less iridium.
The design of Smoltek HydroÂgen’s PTE for PEMWE (PEM elecÂtrolyzÂers) involves a unique approach where we have develÂoped an enhanced surÂface area that facilÂiÂtates us to deposit ultra-low levÂels of IridÂiÂum catÂaÂlyst strucÂtures. The designed elecÂtrodes improve the iridÂiÂum utiÂlizaÂtion ratio durÂing water elecÂtrolÂyÂsis, which will evenÂtuÂalÂly enhance the elecÂtrolyzÂer perÂforÂmance and durability.
ChemÂiÂcal EngiÂneerÂing, a well-reputÂed magÂaÂzine, has noticed our soluÂtion and writÂten an artiÂcle about us.
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News
October 12, 2026
Smoltek has engaged Maria Persson Gulda as a senior advisor to strengthen the commercialization of Smoltek Hydrogen’s electrode technology for PEM electrolyzers. Her assignment will focus on industrial customer requirements, product competitiveness and partnerships that can accelerate the path to market.
News
September 29, 2026
Smoltek’s technology for porous transport electrodes (PTE), developed in collaboration with Heraeus Precious Metals, has the potential to make green hydrogen economically viable. This is the conclusion drawn by the German tech channel Breaking Lab.
News
August 10, 2026
Together with Heraeus Precious Metals Smoltek Hydrogen develops next-generation, ultra-low iridium Porous Transport Electrodes (PTEs) for Proton Exchange Membrane (PEM) water electrolysis. As a major milestone in this partnership, the companies will initiate a rigorous 3,000-hour long-term durability test this autumn.
News
January 28, 2026
Smoltek Hydrogen, has been selected as one of nine Swedish cleantech companies to join the Swedish-German Cleantech Platform 2026. This strategic program, managed by the Swedish Energy Agency and the German-Swedish Chamber of Commerce, gives the opportunity to accelerate the company’s commercial expansion into Germany — Europe's leading and most dynamic market for green hydrogen and fuel cell technology.
News
November 20, 2025
We have launched a podcast about materials technology and investments in general and our disruptive carbon nanotechnology in particular.
News
November 4, 2025
Smoltek Hydrogen has received an order for samples of low iridium-load Porous Transport Electrodes (PTE) for PEM electrolyzers. The electrodes will be used in a joint development project with Heraeus Precious Metals, a global leader in precious metals.