The Electrochemistry of Nickel
- 1 January 1963
- journal article
- Published by The Electrochemical Society in Journal of the Electrochemical Society
- Vol. 110 (9) , 1007-1013
- https://doi.org/10.1149/1.2425910
Abstract
The anodic dissolution of nickel has been studied in acidified chloride, sulfate, and perchlorate solutions under a variety of nonpassivating conditions. The Tafel slopes at 45°C are approximately 0.085, 0.115, and 0.12, respectively. The lower value of the Tafel slope in chloride solutions is attributed to specific adsorption. The potential of the nickel anode is independent of Ni+2 concentration under conditions for which the back reaction is negligible, and no pH dependence has been found for pH of 1–2.5. The temperature dependence of the polarization yields an approximate value of 15 kcal/mole for the heat of activation in the chloride solution.Keywords
This publication has 0 references indexed in Scilit: