Citation: Qingquan Kong, Wei Feng, Xiaodong Zhu, Jing Zhang, Chenghua Sun. Fabrication, characterization and electrochemical properties of porous palladium bulk samples with high porosity and hierarchical pore structure[J]. Chinese Journal of Catalysis, ;2017, 38(6): 1038-1044. doi: 10.1016/S1872-2067(17)62780-3 shu

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

a. School of Mechanical Engineering, Chengdu University, Chengdu 610106, Sichuan, China;
b. School of Materials Science and Engineering, Sichuan University, Chengdu 610065, Sichuan, China;
c. School of Chemistry, Faculty of Science, Monash University, Clayton, VIC 3800, Australia

Received Date: 30 November 2016
Revised Date: 5 January 2017

Fund Project: This work was supported by the National Natural Science Foundation of China (11572057) and the School Foundation of Chengdu University (2080516030)

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 N₂ 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 m²/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.
- Palladium,
- Hierarchical porous structure,
- Electrocatalysis,
- Ethanol oxidation,
- Spark plasma sintering
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