Journal
JOURNAL OF MATERIALS CHEMISTRY A
Volume 4, Issue 12, Pages 4587-4591Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ta09956k
Keywords
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Funding
- Jiangxi Ganpo 555 Project for Excellent Talents
- National Natural Science Foundation of China [51404110, 21506187]
- Jiangxi Natural Science Foundation of China [20151BAB213011]
- Education Department Project Fund of Jiangxi Province [GJJ150665]
- Jiangxi University of Science and Technology [NSFJ2015-G08]
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Three-dimensional crumpled graphene (PRGO) was synthesized from graphene oxide (GO) solution by the spay drying method and employed as the support material for the Pd catalyst. The as-prepared catalysts were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), tunnel electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS). The electro-catalytic activity and stability toward formic acid oxidation were investigated using cyclic voltammetry (CV) and chronoamperometry (CA), which indicated that the Pd/PRGO catalyst exhibits a larger electrochemically active surface area and mass activity as well as higher long term-stability in comparison to the commercial Pd/C and Pd/RGO catalysts. The enhanced catalytic performance is attributed to the high specific surface area of the 3D formation and utilization efficiency of Pd during the oxidation of formic acid.
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