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Pretreatment of Pt-Au and Pd-Au alloy electrodes in the study of oxygen reduction

✍ Scribed by A. Damjanovic; V. Brusić

Publisher
Elsevier Science
Year
1967
Weight
417 KB
Volume
15
Category
Article
ISSN
0022-0728

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Different views regarding the kinetics a
Different views regarding the kinetics and mechanisms of oxygen reduction at Pt and Pd electrodes
✍ D.B. Sepa; M.V. Vojnovic; Lj.M. Vracar; A. Damjanovic 📂 Article 📅 1987 🏛 Elsevier Science 🌐 English ⚖ 600 KB

Two diametrically different pH dependences have been reported for oxygen reduction at prereduced Pt electrodes. In the current density (cd) region with the Tafel slope of -2.3RT/F, the pH dependence expressed as dE/dpH is, according to one group of workers, -90 mV, ie -3 x 2.3 RT/(2F) and -30 mV, ie