THE CHARACTERISTICS OF THE POTENTIODYNAMIC POTENTIAL CURRENT PROFILES OBTAINED WITH THE NI-0.5N H2SO4 INTERFACE - A CONTRIBUTION TO THE MECHANISM OF THE ELECTRODE PROCESS

The anodic dissolution of nickel involves a metal surface which is either partially or completely covered by species such as NiOH, left bracket NiOH. Ni(OH)//2 right bracket or left bracket Ni(OH)//2. NiOOH right bracket . Chemical dissolution in acid electrolyte occurs at different rates. The relative rates can be estimated from data derived from the complex triangular potential perturbations. The change of the E/I profile during cycling is explained through a reaction sequence.