Charge dynamics of ionic polymer metal composites in response to electrical bias

Youngsu Cha; Maurizio Porfiri

doi:10.1117/12.2009062

9 April 2013 Charge dynamics of ionic polymer metal composites in response to electrical bias

Youngsu Cha, Maurizio Porfiri

Proceedings Volume 8687, Electroactive Polymer Actuators and Devices (EAPAD) 2013; 868721 (2013) https://doi.org/10.1117/12.2009062
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2013, San Diego, California, United States

Abstract

In this paper, we analyze the charge dynamics of ionic polymer metal composites (IPMCs) in response to voltage inputs composed of a DC bias and a small AC voltage. IPMC chemoelectrical behavior is described through the Poisson-Nernst-Planck framework. The physics of charge build up and mass transfer at the electrodes are modeled through metal particle layers. Perturbation methods are used to establish an equivalent circuit model for the IPMC electrical response. The proposed approach is validated through comparison with finite element results.

Citation Download Citation

Youngsu Cha and Maurizio Porfiri "Charge dynamics of ionic polymer metal composites in response to electrical bias", Proc. SPIE 8687, Electroactive Polymer Actuators and Devices (EAPAD) 2013, 868721 (9 April 2013); https://doi.org/10.1117/12.2009062

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