One-Pot Synthesis of Platinum Nanoparticles Embedded on Reduced Graphene Oxide for Oxygen Reduction in Methanol Fuel Cells

A simple approach has been developed for the synthesis of Pt nanoparticles with uniform diameters of approximately 2.9 nm supported on reduced graphene oxide (RG-O) platelets via a modified polyol method. Compared to Johnson Matthey (JM) Pt/C (75 wt % Pt) catalyst, the Pt/RG-O (70 wt % Pt) composite...

Full description

Saved in:
Bibliographic Details
Published inElectrochemical and solid-state letters Vol. 14; no. 7; pp. B70 - B73
Main Authors Ha, Hyung-Wook, Kim, In Young, Hwang, Seong-Ju, Ruoff, Rodney S.
Format Journal Article
LanguageEnglish
Published 01.01.2011
Online AccessGet full text

Cover

More Information
Summary:A simple approach has been developed for the synthesis of Pt nanoparticles with uniform diameters of approximately 2.9 nm supported on reduced graphene oxide (RG-O) platelets via a modified polyol method. Compared to Johnson Matthey (JM) Pt/C (75 wt % Pt) catalyst, the Pt/RG-O (70 wt % Pt) composite showed much higher electrochemical surface area, greater catalytic activity towards the oxygen reduction reaction (ORR), and significantly better single cell polarization performance. The maximum power density of the Pt/RG-O composite was about 128 mW cm −2 , an 11% greater than the JM Pt/C commercial catalyst.
ISSN:1944-8775
1944-8775
DOI:10.1149/1.3584092