Glycerol Electrooxidation on Au/Ni Core/shell Threedimensional Structure Catalyst

Polystyrene (PS) spheres have been prepared by emulsifier-free emulsion polymerization with a diameter about 700 nm. This study demonstrates the feasibility of applying Au/Ni/PS electrocatalysts with a very low gold loading as a replacement for pure gold for glycerol oxidation in alkaline medium. Th...

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Bibliographic Details
Published in:International journal of electrochemical science 2012, Vol.7 (5), p.4362-4368
Main Authors: Song, Jian-Hua, Yu, Jie-Yi, Zhang, Man-Zhi, Liang, Ying-Jun, Xu, Chang-Wei
Format: Article
Language:English
Subjects:
Alcohol
Electrooxidation
Fuel cell
Glycerol
Gold
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Summary:Polystyrene (PS) spheres have been prepared by emulsifier-free emulsion polymerization with a diameter about 700 nm. This study demonstrates the feasibility of applying Au/Ni/PS electrocatalysts with a very low gold loading as a replacement for pure gold for glycerol oxidation in alkaline medium. The Au/Ni/PS core/shell three-dimensional structure permits liquid alcohol to diffuse into the catalyst layer easily and forms larger three-phase interface, resulting in the reduction of liquid sealing effect. The Au/Ni supported on PS spheres in this paper possesses excellent electrocatalytic properties for glycerol electrooxidation in alkaline medium and may be of great potential in glycerol sensors and direct glycerol fuel cells.
ISSN:1452-3981
1452-3981
DOI:10.1016/S1452-3981(23)19544-7