Effects of ionic liquids on the performance of IPMC

Min Jung Kim; Sang Woo Park; Joohye Won; Changwoon Nah

doi:10.1117/12.2261650

17 April 2017 Effects of ionic liquids on the performance of IPMC

Min Jung Kim, Sang Woo Park, Joohye Won, Changwoon Nah

Proceedings Volume 10163, Electroactive Polymer Actuators and Devices (EAPAD) 2017; 1016335 (2017) https://doi.org/10.1117/12.2261650
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2017, Portland, Oregon, United States

Abstract

One of the issues in operating the IPMC actuators in air condition is the limited lifetime due to the evaporation of aqueous electrolytes like water. Several attempts were already made for solving the problem using an ionic liquid (IL) with higher boiling point. In this study, three different ILs having similar boiling point but different molecular weight were employed in the IPMC actuators. The actuation performance, notably speed and lifetime, were measured and they are compared with that of water-based IPMC actuator. The lower molecular weight IL showed a comparable actuation speed of water due to faster movement of the ion cluster. The lifetime of the water-based IPMC actuator was found to be only 3 hr. However, the IL-based IPMC actuators showed much improved service life.

Citation Download Citation

Min Jung Kim, Sang Woo Park, Joohye Won, and Changwoon Nah "Effects of ionic liquids on the performance of IPMC", Proc. SPIE 10163, Electroactive Polymer Actuators and Devices (EAPAD) 2017, 1016335 (17 April 2017); https://doi.org/10.1117/12.2261650

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