Surface-Anchored PtNi Alloy Network over SiO2 (PtNi/SiO2): A Versatile Carbon-Free Cathode for Proton Exchange Membrane Fuel Cells (PEMFCs)
Sachin Kumar,
Athira Yoyakki,
Sreekumar Kurungot
Abstract:The large-scale commercialization
of the PEMFCs is hindered
due
to the high cost of the Pt-based electrocatalysts (Pt/C) and the low
durability associated with the oxidation of the carbon support in
Pt/C. Many Pt-based carbon-free electrocatalysts have been explored,
exhibiting excellent stability and activity, but the performance is
further expected to be improved by developing suitable Pt alloy catalysts
based on the carbon-free supports. To explore this possibility, we
have developed a PtNi/SiO2 alloy syste… Show more
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