A Thermoelectrochemical Transfer Function Analysis of Nickel Electrocrystallization in a Nonisothermal Cell

The use of a nonisothermal cell where the working-electrode temperature is monitored and may also be modulated up to several hertz gives access to the measurement of a potentiostatic transfer function (∂I/∂T) E . The analysis of this thermoelectrochemical transfer function (TETF) in the case of Ni electrocrystallization from a Watts solution allows the adsorption step to be isolated and quantified with a far better accuracy than using conventional electrochemical impedance spectroscopy methods. Nevertheless, the electrochemical parameters deduced are quite close to those previously determined in the case of an isothermal cell. This new application of the TETF, thus validated through comparison with results obtained in an isothermal cell, widens its field of expertise.

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