Researchers in Japan have discovered that manganese could help reduce reliance on iridium as a catalyst for hydrogen production.
Researchers from the RIKEN Center for Sustainable Resource Science in Japan may have found the secret sauce to cheap hydrogen fuel production. The secret, it seems, could be to mix a little manganese with the much rarer iridium commonly required today.requires a catalyst to break the bonds of water and free the hydrogen. The best of these catalysts discovered so far has been iridium.
If scaled up, this discovery could help make hydrogen fuel a realistic alternative to carbon-based fuels.This is especially true given that 70% of the Earth is covered in the raw resource needed to make fuel: water. However, it is not yet possible to extract hydrogen from water on a scale rivaling fossil fuel-based energy production.
The team is working towards developing sustainable catalysts using common earth metals. Their recent success involved stabilizing green hydrogen production at a high level using manganese oxide as a catalyst. However, this method may take several years to achieve industrial-level production. Researchers have discovered a way to sustain hydrogen production in a proton exchange membrane electrolyzer using less iridium. They achieved this by spreading individual iridium atoms on a piece of manganese oxide, preventing them from clumping together.With the new catalyst, hydrogen production was possible continuously for over 3000 hours at 82% efficiency without any degradation.
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