Direct methanol oxidation from gas phase was studied on the PttSPE electrode. The voltammogram and the Tafel plots demonstrated that a Pt metal electrode in electrolyte solution and the present Pt-SPE electrode behave essentially in the same way for the methanol oxidation. The latter electrode, howe
Metal electrodes bonded on solid polymer electrolyte membranes (SPE)—The behaviour of platinum bonded on SPE for hydrogen and oxygen electrode processes
✍ Scribed by Akiko Katayama-Aramata; Hiroshi Nakajima; Keikichi Fujikawa; Hideaki Kita
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 287 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0013-4686
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✦ Synopsis
The electrochemical characteristics of a platinum electrode directly bonded to one side of a solid polymer electrolyte membrane (PtGSPE) were studied. Current-potential relations of hydrogen and oxygen adsorbed on F't SPEwere observed to be similar IO those on a platinum metal electrode, independently of the presencc/abscncc of clcctrotytic solution at the platinum side of Pt-SPE. Hydrogen evolution, hydrogen ionisation. and oxvgcn reduction were examined at rhe condition that the side at the platinum of Pt-WE was free from liquid b'lt filled with the gases concerned
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Abstracti-The hydrogen and oxygen electrode reactions were examined on a Pt-SPE (Nafion) electrode with the condition that tbe platinum side was in contact with gaseous phase. The polarization curve shows an Ohmic relation determined mainly by the solution and membrane resistances. The removal of th