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Fabrication, characterization and electrochemical properties of porous palladium bulk samples with high porosity and hierarchical pore structure

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Abstract In the present study, porous bulk palladium samples were prepared by sodium chloride salt powder spacer incorporation and removal combined with dealloying. The obtained porous Pd bulks were characterized… Click to show full abstract

Abstract In the present study, porous bulk palladium samples were prepared by sodium chloride salt powder spacer incorporation and removal combined with dealloying. The obtained porous Pd bulks were characterized by X-ray diffraction, field-emission scanning electron microscopy and N 2 adsorption isotherm measurements. The prepared porous Pd bulk samples showed a hierarchical pore structure, a high porosity of ∼88%, a high surface area of ∼54 m 2 /g, and a compression strength of ∼0.5 MPa. Electrochemical measurements were performed to evaluate the electrocatalytic properties of the porous Pd bulk samples, revealing their effectiveness for ethanol oxidation.

Keywords: properties porous; hierarchical pore; bulk; bulk samples; pore structure; high porosity

Journal Title: Chinese Journal of Catalysis
Year Published: 2017

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