New iron catalyst could make hydrogen fuel cells affordable

 https://techxplore.com/news/2022-07-iron-catalyst-hydrogen-fuel-cells.html

"bonded four nitrogen atoms to the iron. Researchers then embedded the material in a few layers of graphene "with accurate atomic control of local geometric and chemical structures... vastly improved catalyst... most efficient iron-based catalyst produced to date, exceeding the DOE's 2025 target for electric current density. Achieved a durability rating that approaches platinum group catalysts"

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