Effect of temperature on the electrochemical properties of ionic polymer-metal composite capacitor in various pH solutions

Liya Napollion; Kwang Jin Kim

doi:10.1117/12.2610850

18 April 2022 Effect of temperature on the electrochemical properties of ionic polymer-metal composite capacitor in various pH solutions

Liya Napollion, Kwang Jin Kim

Author Affiliations +

Proceedings Volume PC12042, Electroactive Polymer Actuators and Devices (EAPAD) XXIV; PC120420I (2022) https://doi.org/10.1117/12.2610850
Event: SPIE Smart Structures + Nondestructive Evaluation, 2022, Long Beach, California, United States

Abstract

The characteristics of ionic polymer metal composite (IPMC) based capacitors depends on the pH of the working solution. However, their basic mechanism is not well studied. Therefore, this study investigates the IPMC based capacitor with Platinum electrodes in various pH solutions. Cyclic voltammetry (CV), alternating-current (AC) impedance, and capacitance measurements were then performed to investigate the effects of the pH on the electrochemical properties of the IPMC capacitors. The results are helpful for the use and control of IPMC based capacitors. Although IPMCs are widely studied for their electromechanical or electrochemical properties, most studies have been performed at the ambient conditions. The electrochemical performance of IPMC at higher temperatures is still far from understood. In this study, the effect of temperature on electrochemical behavior of IPMCs is examined. The electrochemical study was conducted in different pH solutions at temperatures ranging from 25 °C to 80°C. The current flow across the IPMC electrode increases with increasing temperature up to 60°C during the charging and discharging cycles.

Conference Presentation

Citation Download Citation

Liya Napollion and Kwang Jin Kim "Effect of temperature on the electrochemical properties of ionic polymer-metal composite capacitor in various pH solutions", Proc. SPIE PC12042, Electroactive Polymer Actuators and Devices (EAPAD) XXIV, PC120420I (18 April 2022); https://doi.org/10.1117/12.2610850

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