Oxygen overvoltage measurements have been made on Au/Au-O and Au/Au,08 electrodes in oxygen-saturated 2 N sulphuric acid solution. The rate-determining step in the reduction of oxygen on an Au/Au-O electrode is O,(ads) + e + O,-(ads), with an i,, of I.3 x lo-l1 A/cm\*. An Au/Au-O electrode is a poly
Hydrogen overvoltage on gold
โ Scribed by G.M. Schmid
- Publisher
- Elsevier Science
- Year
- 1967
- Tongue
- English
- Weight
- 774 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0013-4686
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Oxygen overvoltage measurements were made on bright gold electrodes in oxygen saturated 2 N H,SO, solutions to which H,O, was added until the HsOp concentration was O-1 M. It was found that the H,O&abilired systems produced a much more 'reversible' electrode, most likely because steps involving the