High activity of NiCo2O4 promoted Pt on three-dimensional graphene-like carbon for glycerol electrooxidation in an alkaline medium

Spinel oxide NiCo2O4 supported on a three-dimensional hierarchically porous graphene-like carbon (3D HPG) material has been firstly used to enhance the activity of Pt for glycerol electrooxidation. The addition of NiCo2O4 into the Pt/HPG catalyst can significantly improve the catalytic performance f...

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Bibliographic Details
Published in:RSC advances 2020-06, Vol.10 (41), p.24705-24711
Main Authors: Liu, Bo-Cai, Chen, Shao-Li, Ling, Xiao-Yu, Li, Qiao-Xian, Xu, Chang-Wei, Liu, Zi-Li
Format: Article
Language:English
Subjects:
Carbon
Catalysts
Chemistry
Electrodes
Glycerol
Graphene
Nickel compounds
Oxidation
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Summary:Spinel oxide NiCo2O4 supported on a three-dimensional hierarchically porous graphene-like carbon (3D HPG) material has been firstly used to enhance the activity of Pt for glycerol electrooxidation. The addition of NiCo2O4 into the Pt/HPG catalyst can significantly improve the catalytic performance for glycerol oxidation. When NiCo2O4 is added to the Pt/HPG catalyst, the onset potential is 25 mV more negative than that on the Pt/HPG catalyst without NiCo2O4. The current density at −0.3 V on the Pt–NiCo2O4 (wt 10 : 1)/HPG electrode is 1.3 times higher than that on the Pt (30 wt%)/HPG electrode. The Pt–NiCo2O4 electrode presented in this work shows great potential as an electrocatalyst for glycerol electrooxidation in an alkaline medium.
ISSN:2046-2069
DOI:10.1039/c9ra09896h