Cost-effective iron-nitrogen-doped graphene fuel-cell catalyst approaches performance of platinum

By mmillikin

Teams at Helmholtz Zentrum Berlin (HZB) and TU Darmstadt have produced a cost-effective fuel-cell catalyst material consisting of iron-nitrogen complexes embedded in tiny islands of graphene only a few nanometers in diameter. The FeN4 centers provide excellent catalytic efficiency, approaching that of platinum.

For their synthesis process, they devised a

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