𝔖 Bobbio Scriptorium
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Vacuum-microgravimetric characterization of catalyst candidates for fuel cell electrodes

Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
160 KB
Volume
28
Category
Article
ISSN
0042-207X

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✦ Synopsis

investigation of the surface diffusion of oxygen on W(110). The vibrating electrode consists of a wire of 6 pm diameter which can be moved across the surface at a distance of 15 pm. The local work function profile is converted to the corresponding concentration profile by a calibration curve obtained by Auger spectroscopy. The evaluation achieved by the Boltzmann-Matano analysis yields a concentration dependent diffusion coefficient with an activation energy of 27 f 2 kcal. The concentration dependence can qualitatively be explained by the known adsorption properties of this adsorbate-substrate system.

πŸ“œ SIMILAR VOLUMES

Preparation of Gas Diffusion Electrodes
Preparation of Gas Diffusion Electrodes with Silver Catalysts for Alkaline Fuel Cells
✍ E. GΓΌlzow; N. Wagner; M. Schulze πŸ“‚ Article πŸ“… 2003 πŸ› John Wiley and Sons 🌐 English βš– 289 KB

## Abstract In alkaline fuel cells (AFC) silver can be used as the cathode catalyst in gas diffusion electrodes. To prepare the gas diffusion electrodes, the metal catalyst was mixed with polytetraflourethylene (PTFE), as the organic binder, in a knife mill and rolled onto a metal web in a calender