One-Step Synthesis Strategy for a Platinum-Based Alloy Catalyst Designed via Crystal-Structure Prediction.

ABSTRACT: The industrial application of polymer electrolyte membrane fuel cells is limited by the high cost of platinum catalysts. In this study, we developed a one-step synthesis strategy for low-platinum alloy catalysts based on crystal-structure predictions. Using this method, we successfully prepared a low-platinum alloy catalyst, i.e., CaPt₂, which exhibits the same structure as its theoretically predicted counterpart in a single step via arc melting. There was no hazardous waste emission during the preparation of the alloy catalyst. Electrons were successfully enriched on the surfaces of platinum atoms, and the electronic structures of the platinum atoms were adjusted. The migration of oxygen intermediates during oxygen reduction was determined via an extensive oxygen-intermediate a

SUBMITTER: Yan D 

PROVIDER: S-EPMC11642978 | biostudies-literature | 2024 Nov

REPOSITORIES: biostudies-literature