Journal
RARE METALS
Volume 30, Issue 4, Pages 332-336Publisher
NONFERROUS METALS SOC CHINA
DOI: 10.1007/s12598-011-0393-3
Keywords
electrocatalysis; nanoporous materials; palladium; hydrogen peroxide; fuel cells
Funding
- National Natural Science Foundation of China [20876038]
- Hunan Provincial Natural Science Foundation of China [10JJ9003]
- Planned Science and Technology Project of Hunan Province, China [2009GK3084]
- Xiangtan City, China
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Titanium-supported nanoporous palladium catalyst (Pd/Ti) was prepared by a hydrothermal method using PdCl(2) as a precursor, ethylenediamine tetraacetic acid (EDTA) as a ligand, and formaldehyde as a reduction agent. Complex Pd-EDTA(2-) is favorable for the formation of Pd particles with nanoscale sizes. The electroactivity of the Pd/Ti catalyst towards the electroreduction of hydrogen peroxide in 1 mol/L NaOH solution was evaluated by voltainmetric techniques. Both linear scan voltammetric and chronoamperometric data present significantly large steady-state reduction current density of the hydrogen peroxide electroreduction on the prepared Pd/Ti catalyst. The results show that the prepared Pd/Ti catalyst is an effective electrocatalyst for the electroreduction of hydrogen peroxide in alkaline media.
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