Bubble behaviour during oxygen and hydrogen evolution at transparent electrodes in KOH solution

✍ Scribed by L.J.J. Janssen; C.W.M.P. Sillen; E. Barendrecht; S.J.D. van Stralen

• Publisher: Elsevier Science
• Year: 1984
• Tongue: English
• Weight: 849 KB
• Volume: 29
• Category: Article
• ISSN: 0013-4686
• DOI: 10.1016/0013-4686(84)87122-4

✦ Synopsis

For oxygen and hydrogen evolving transparent nickel electrodes in KOH solutions, parameters characterizing the behaviour of bubbles which are adhered to the electrode surface during gas evolution. have been determined in dependence on current density, i, velocity of solution flow, V, pressure, p, temperature, T, and concentration of KOH. Based on experimental data a new basic bubble parameter, J, has been introduced, which accounts for the bubble behaviour. It has been found that _I = a, ihl and J/ (J, -J) =alukrwhere~,=Jato=Oms-' and a,,olk, and hl are empirical constants; some of these depend on