Effect of sputtered film of platinum on low platinum loading electrodes on electrode kinetics of oxygen reduction in proton exchange membrane fuel cells
β Scribed by Sanjeev Mukerjee; Supramaniam Srinivasan; A.John Appleby
- Book ID
- 107750169
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 778 KB
- Volume
- 38
- Category
- Article
- ISSN
- 0013-4686
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The kinetics of oxygen reduction at Pt in trifluoromethanesulphonic acid (TFMSA) (0.05-6.0 M) and in 1.0 M TFMSA with addition of small concentrations of phosphoric acid (0.003-0.1 M) was investigated using the rrde technique. In TFMSA, the oxygen reduction current on the oxide-covered Pt was found
This paper describes a novel method to measure directly effective diffusivity in electrodes as a function of temperature and relative humidity (RH) at conditions that are relevant for proton exchange membrane fuel cells (PEMFCs). The efficacy of this method to measure effective oxygen diffusivity (D