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Large‐scale deployment of proton exchange membranes water electrolysis (PEM‐WE) requires a substantial reduction in usage of platinum group metals (PGMs) as indispensable electrocatalyst for cathodic hydrogen evolution reaction (HER). Ultra‐fine PGMs nanocatalysts possess abundant catalytic sites at lower loading, but usually exhibit reduced stability in long‐term operations under corrosive acidic...
Large‐scale deployment of proton exchange membranes water electrolysis (PEM‐WE) requires a substantial reduction in usage of platinum group metals (PGMs) as indispensable electrocatalyst for cathodic hydrogen evolution reaction (HER). Ultra‐fine PGMs nanocatalysts possess abundant catalytic sites at lower loading, but usually exhibit reduced stability in long‐term operations under corrosive acidic...