Moisture and electric coupling stimulated ionic polymer actuator with superior deformation behavior

Jie Ru; Zicai Zhu; Yanjie Wang; Hualing Chen

doi:10.1117/12.2296847

27 March 2018 Moisture and electric coupling stimulated ionic polymer actuator with superior deformation behavior

Jie Ru, Zicai Zhu, Yanjie Wang, Hualing Chen

Proceedings Volume 10594, Electroactive Polymer Actuators and Devices (EAPAD) XX; 105940D (2018) https://doi.org/10.1117/12.2296847
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2018, Denver, Colorado, United States

Abstract

To date, water-based ionic polymer metal composite (IPMC) is just regarded as a kind of electroactive material, whereas humidity is traditionally regarded as a disadvantageous factor, the change of which negatively influences the performance of the IPMC. However, the deformation of the IPMC is greatly sensitive to ambient humidity, and can be enhanced dramatically by changing the humidity. In this study, a novel actuation mode is proposed to control the deformation behavior of IPMC by employing moisture as an independent or collaborative incentive source together with the electric field. The deformation is continuously recorded under electric field and electric field-moisture coupling stimulus. These results are consistent with the view that the bending properties of the IPMC are a result of the balance of osmotic pressure and electrostatic stress in the membrane, which is greatly dependent on the change of humidity. Therefore, development of the coupling-drive mode is of great significance for the guidance of material design and application for the IPMC.

Conference Presentation

Citation Download Citation

Jie Ru, Zicai Zhu, Yanjie Wang, and Hualing Chen "Moisture and electric coupling stimulated ionic polymer actuator with superior deformation behavior", Proc. SPIE 10594, Electroactive Polymer Actuators and Devices (EAPAD) XX, 105940D (27 March 2018); https://doi.org/10.1117/12.2296847

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