Effect of particle size on the electrocatalytic activity of platinum dispersions in carbon matrix electrodes for phosphoric acid fuel cells
โ Scribed by S.-B. Lee; S.-I. Pyun
- Book ID
- 111531937
- Publisher
- Springer
- Year
- 2000
- Tongue
- English
- Weight
- 152 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0021-891X
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๐ SIMILAR VOLUMES
Using a conventional laboratory diffractometer, small angle X-ray scattering (SAXS) was used to determine the average platinum particle size in samples of carbon with a range of platinum loadings. The results obtained were compared with those obtained from wide-angle X-ray diffraction (WAXS) studies
Electrochemical reduction of oxygen on small platinum particles supported on carbon in 105 wt "/, phosphoric acid at 190ยฐC was investigated by means ofa half-cell apparatus. Effects of platinum content in the catalyst layer and operating temperature of the electrode on this reaction were examined. T