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2016.01.28 21:39

3. Graphene supported electrocatalysts for methanol oxidation, Electrochemistry Communications 2010, 12(1), 129−131

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Sungyool Bong, Yang-Rae Kim, In Kim, Seunghee Woo, Sunghyun Uhm, Jaeyoung Lee*, Hasuck Kim*


Electrochemistry Communications 2010, 12(1), 129−131

 

Publication online: November 10, 2009
Publication date: January 1, 2010
DOI: 10.1016/j.elecom.2009.11.005
ISSN: 1388-2481
Journal country: United States
Publisher: ELSEVIER SCIENCE INC
URL: http://www.sciencedirect.com/science/article/pii/S1388248109005517
 

Abstract: Graphene nanosheet was prepared by modified Hummer’s chemical method and utilized as a catalyst support of PtRu nanoparticles for the electro-oxidation of methanol. Home-made graphene nanosheet was clearly characterized by Raman spectroscopy and we applied colloidal method to synthesize with high metal content of 80 wt.% Pt–Ru catalyst, which is extensively clarified by HR-TEM and XRD analysis. 80 wt.% Pt–Ru/graphene nanosheet catalyst showed superior electrochemical activity toward methanol oxidation compared to Pt–Ru/Vulcan XC-72R. It is due to the significant increase of electrochemical active surface area for better catalyst utilization.

 

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