The Preparation and Study of Graphene Supported CoxMn3-XO4 Nanocomposites as Advanced Oxygen Reduction Reaction Electrocatalyst

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Abstract:

The spinel CoxMn3-x O4 nanoparticles (SCMN) have been successfully grown on graphene sheets (GS) with a low cost in situ method in diethylene glycol (DEG) solution by using manganese acetate (Mn(OAc)2), cobalt acetate (Co(OAc)2) and graphene oxide as precursors. Excellent electrocatalytic activity and stability for oxygen reduction reaction (ORR) compared with those of commercial 20%Pt on Vulcan XC-72 (20%Pt@C) in alkaline solutions have been obtained.

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Advanced Materials Research (Volumes 652-654)

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348-351

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January 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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