Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 3, Issue 40, Pages 20086-20091Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ta05888k
Keywords
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Funding
- National Natural Science Funds of China [50972003, 51125007]
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A novel class of Pt-Co secondary solid solution catalysts with long-range ordered intermetallic CoPt3 as the solvent and Co as the solute for the oxygen reduction reaction (ORR) is proposed. The catalysts exhibit a volcano-type dependence on Co solid solubility in ORR activity and the optimum catalyst with 10% Co solid solubility shows remarkably enhanced catalytic activity and durability, which can be ascribed to the unique electronic structure of secondary solid solution catalysts.
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