Preparation and characterization of an electrocatalytic electrode using amphiphilic carbonaceous material containing metal compound
✍ Scribed by Y. Murakami; K. Esumi; H. Honda
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 761 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0008-6223
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✦ Synopsis
Electrocatalytic electrodes were prepared by coating amphiphilic carbonaceous material containing platinum acetylacetonate from NJ-dimethylformamide on a glassy carbon surface. The electrocatalytic activity of the electrodes was evaluated for hydrogen generation in 1 M hydrogen perchloride by means of voltammetry.
The current densities for proton reduction increased at the potential of -0.2 V vs Ag/AgCl with increasing concentration of platinum acetylacetonate and with heat-treatment temperature. However, at higher concentrations of platinum acetylacetonate and higher heat-treatment temperatures, the current densities were decreased. These electrocatalytic activities were strongly dependent on states of the coating layer including platinum surface area.