Thermal Behavior of Polyaniline Due to Anodic Oxidation in Various Aqueous Solutions

Abstract

The anodic oxidation of polyaniline in aqueous solutions containing SO42− and PO43− ions caused an exothermic change at lower potential and an endothermic change at higher potential, but only the exothermic change was observed in the anodic process of polyaniline in a solution containing ClO4− ions.

Characterization of the Cathodic Thermal Behavior of Molten CaCl2 and Its Hygroscopic Chloride Mixture During Electrolysis

“…The heat balance of the WE surface was evaluated in order to characterize the heat transfer at each potential. The thermal behavior accompanying the electrochemical reaction has been described in previous studies [28][29][30][31][41][42][43]. Here, we will briefly describe our interpretation.…”

“…The thermal behavior accompanying the electrochemical reaction has been described in previous studies. [28][29][30][31][41][42][43] Here, we will briefly describe our interpretation. First, when the temperature T and the pressure P are constant and the chemical reaction proceeds, according to the first law of thermodynamics, the internal energy DU and the heat absorbed by the reaction system Q are expressed as…”