The effect of ‘crystallinity’ and structural disorder on the electrochemical performance of substituted nickel hydroxide electrodes
✍ Scribed by T. N. Ramesh; P. Vishnu Kamath
- Publisher
- Springer
- Year
- 2008
- Tongue
- English
- Weight
- 399 KB
- Volume
- 13
- Category
- Article
- ISSN
- 1432-8488
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New hydrated cobalt-substituted nickel hydroxides were prepared and characterized. These materials were obtained either by precipitation (a) or by the "chimie douce" technique (a\* and a'). Cobalt generally stays in the trivalent state. In contrast with the aco~+ phases, the aco,\* phases are stable
Polarization curves for the anodic oxidation and cathodic reduction of Ni(OH), electrodes at constant current have been obtained, and also Tafel curves for the anodic process. A comparison is made between the electrochemical behaviour of freshly prepared and of recrystallized Ni(OH)2 layers, and the