Intermetallic L10-NiPtAg catalysts for oxygen reduction reaction
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United States of America Patent
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Jul 12, 2022
Grant Date -
Jun 17, 2021
app pub date -
Dec 16, 2019
filing date -
Dec 16, 2019
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Abstract
An electrode catalyst for an oxygen reduction reaction including intermetallic L10-NiPtAg alloy nanoparticles having enhanced ORR activity and durability. The catalyst including intermetallic L10-NiPtAg alloy nanoparticles is synthesized by employing silver (Ag) as a dopant and annealing under specific conditions to form the intermetallic structure. In one example, the intermetallic L10-NiPtAg alloy nanoparticles are represented by the formula: NixPtyAgz wherein 0.4≤x≤0.6, 0.4≤y≤0.6, z≤0.1.
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