Supercharging fuel cells with caffeine

https://phys.org/news/2024-03-supercharging-fuel-cells-caffeine.html

"water reacts with platinum catalyst forming platinum hydroxide layer on electrode, obstructing efficient catalysis of oxygen reduction reaction, leading to energy losses... adding caffeine to certain platinum electrodes increases reaction 11X on Pt electrode of hexagonal atomic structure Pt(111), reducing platinum requirements... caffeine adsorbs onto electrode's surface, preventing hydrogen adsorption and formation of Pt oxide on electrode"

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