期刊
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷 50, 期 11, 页码 7077-7082出版社
AMER CHEMICAL SOC
DOI: 10.1021/ie102392n
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资金
- Natural Science Foundation of Hebei Province of China [B2011205014]
- Hebei Province Education Bureau [ZH2007106]
- Hebei Normal University [L2008Z08]
- Hebei Province Personnel Bureau [106115]
- National Science Foundation USA [CMMI 10-30755]
Palladium (Pd) nanoparticle catalysts were electrodeposited onto a graphite electrode by cyclic voltammetry (CV) technique from a 0.5 M HCl solution containing 0.2 M PdCl(2), and then a film of polypyrrole (PPy) was immobilized onto the as-prepared Pd-coated graphite electrode, leading to a PPy/Pd-coated electrode. Pd particles were repeatedly electrodeposited on the PPy/Pd-coated electrode to generate a Pd/PPy/Pd sandwich structured composite coated electrode. This developed composite electrode showed a satisfactory electrocatalysis toward the formic acid oxidation (FAO). The catalysis mechanism of the sandwich structured Pd/PPy/Pd composite catalyst toward FAO was also discussed on the basis of the obtained cyclic voltammograms and FT-ER spectra.
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