Palladium filters offer cheaper, more efficient hydrogen fuel productionA new membrane design lets them withstand higher temperatures, separatin...
Published on by Hossein Ataei Far, Ambassador for Sustainability at SPSC
A new membrane design lets them withstand higher temperatures, separating hydrogen from gas mixtures more effectively. MIT engineers created a palladium membrane with "plugs" inside a supporting material, making it stable at higher temperatures. This design could improve hydrogen generation in steam methane reforming and ammonia cracking, both operating above current palladium membrane limits. The new membrane stays stable and selective for hydrogen at up to 1,000 kelvins, surpassing the previous 800-kelvin limit for conventional film membranes. This could reduce costs and complexity in hydrogen production technologies. These advances could enable more compact, energy-efficient reactors and expand hydrogen's use as a clean energy source. Further development is needed for industrial adoption.
Impenetrable to every gas but hydrogen, palladium is key to hydrogen-based energy. Palladium membranes are now used to make semiconductors and fertilizer; a new version that’s resilient at much higher temperatures could be used to make hydrogen fuel.
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