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Ohmium
▲ An automated manufacturing process at Ohmium in electrochemistry and materials science to enable mass production of Ohmium’ s advanced PEM technology. The founding team has brought over 50 years of combined electrochemical expertise from NASA, Los Alamos National Laboratory, the US Navy, and leading renewable energy companies into Ohmium’ s innovation engine.
Breaking the iridium barrier
The Ohmium team’ s extensive combined experience in PEM electrolyzer research and development has driven groundbreaking advances in iridium reduction. The company’ s dedicated R & D operation in Chennai, India, where electrochemical experts work continuously on advancing the technology, has positioned Ohmium years ahead of industry targets.
“ One of the key goals across the industry is to reduce dependence on iridium, a rare and expensive metal central to PEM technology,” Dr. Markus Tacke explains.“ The industry set a target of ten GW( gigawatts) per ton of iridium by 2030. We exceeded that target significantly in 2025, achieving 18 GW per ton.”
Ohmium’ s progress stems from rigorous three-stage testing, moving from micro tests through bundle stack to full production, with more than one million hours of operational testing accumulated. The company aims to double utilization efficiency to 36 GW per ton within another year, ultimately targeting nearzero iridium usage within a decade.
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