4.3 Article

Preparation of Carbon-supported Pt-Co Alloy Nanoparticles for Oxygen Reduction Reaction: Promotion of Pt-Co Alloy Formation by Coverage with Silica

Journal

CHEMISTRY LETTERS
Volume 39, Issue 5, Pages 458-459

Publisher

CHEMICAL SOC JAPAN
DOI: 10.1246/cl.2010.458

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Funding

  1. Ministry of Education, Culture, Sports, Science and Technology of Japan [20360365]
  2. Grants-in-Aid for Scientific Research [20360365] Funding Source: KAKEN

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Carbon-supported Pt-Co catalyst for the oxygen reduction reaction was covered with silica layers to inhibit sintering of the metal particles. Coverage of the Pt-Co catalyst with silica layers promoted the formation of alloys with small diameters during treatment at 973 K. The silica-coated Pt-Co electrocatalyst showed a large electrochemically active surface area (ECSA) and excellent durability.

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