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JOURNAL ARTICLE

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

Sakae TakenakaAkiko HirataHideki MatsuneMasahiro Kishida

Year: 2010 Journal:   Chemistry Letters Vol: 39 (5)Pages: 458-459   Publisher: Oxford University Press
DOI: 10.1246/cl.2010.458
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Abstract

Abstract 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.

Keywords:
Chemistry Catalysis Alloy Sintering Electrocatalyst Carbon fibers Oxygen Oxygen reduction reaction Chemical engineering Metal Nanoparticle Platinum Inorganic chemistry Electrochemistry Materials science Composite material Electrode Organic chemistry Physical chemistry Composite number

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2
Cited By
0.33
FWCI (Field Weighted Citation Impact)
8
Refs
0.66
Citation Normalized Percentile
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Citation History

Topics

Electrocatalysts for Energy Conversion
Physical Sciences →  Energy →  Renewable Energy, Sustainability and the Environment
Fuel Cells and Related Materials
Physical Sciences →  Engineering →  Electrical and Electronic Engineering
Catalytic Processes in Materials Science
Physical Sciences →  Materials Science →  Materials Chemistry

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