Pd–Mn3O4 on 3D hierarchical porous graphene-like carbon for oxygen evolution reaction

A 3D hierarchical porous graphene-like carbon (3D HPG) has been studied as conducting support for Pd and Mn 3 O 4 nanoparticles. The Pd–Mn 3 O 4 supported on 3D HPG demonstrates as an excellent catalyst for oxygen evolution reaction (OER) in alkaline medium. The Pd–Mn 3 O 4 (wt 2:1)/HPG catalyst sho...

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Bibliographic Details
Published in:Ionics 2018-10, Vol.24 (10), p.3095-3100
Main Authors: Zhang, Chan-Juan, Pan, Guo-Liang, Zhou, Yong-Qiang, Xu, Chang-Wei
Format: Article
Language:English
Subjects:
Carbon
Catalysts
Charge transport
Chemistry
Chemistry and Materials Science
Condensed Matter Physics
Electrochemistry
Energy Storage
Graphene
Manganese oxides
Nanoparticles
Optical and Electronic Materials
Original Paper
Oxygen evolution reactions
Palladium
Renewable and Green Energy
Synergistic effect
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Summary:A 3D hierarchical porous graphene-like carbon (3D HPG) has been studied as conducting support for Pd and Mn 3 O 4 nanoparticles. The Pd–Mn 3 O 4 supported on 3D HPG demonstrates as an excellent catalyst for oxygen evolution reaction (OER) in alkaline medium. The Pd–Mn 3 O 4 (wt 2:1)/HPG catalyst shows a low onset potential of 0.497 V and achieves a high current density of 5.3 mA cm −2 at 0.7 V (vs. SCE). The outstanding electrocatalytic activity is attributed to a synergistic effect between Pd and Mn 3 O 4 , and the 3D HPG enhances conductivity for charge transport and gives more active sites for the OER reaction.
ISSN:0947-7047
1862-0760
DOI:10.1007/s11581-018-2435-4