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Proceedings Paper

Large deformation ionic polymer-metal composites actuators based on porous Nafion membranes
Author(s): Dongxu Zhao; Dichen Li; Yanjie Wang; Meng Luo; Hualing Chen
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Paper Abstract

With advantages of low driving voltage, good flexibility and high electromechanical efficiency, ionic polymer-metal composites (IPMCs), which are one of the most attractive smart materials, have been research hotspot in actuators, sensors and artificial muscles. However, a serious drawback of little deformation of thick IPMC actuator limits its application. In this paper, we fabricated thick porous Nafion membranes by freeze-drying process. A series of Thermogravimetric analyses (TGA), Field emission scanning electron microscopy (FE-SEM) and Water uptake (WUP) tests were performed to examine the validity of the freeze-drying process and the pore size and the porosity. Then, the porous IPMCs were fabricated with the freeze-drying processed Nafion membranes by the solution casting and reducing plating. Finally, the IPMC actuators with the dimensions of 25× 5× 1 in millimeters were achieved and tested. The terminal deformation of the porous IPMC actuator increased by 739.7%, compared with the ordinary IPMC actuator with the same dimensions under the driving voltage of 2VDC.

Paper Details

Date Published: 15 April 2016
PDF: 7 pages
Proc. SPIE 9798, Electroactive Polymer Actuators and Devices (EAPAD) 2016, 979824 (15 April 2016); doi: 10.1117/12.2218888
Show Author Affiliations
Dongxu Zhao, Xi'an Jiaotong Univ. (China)
Dichen Li, Xi'an Jiaotong Univ. (China)
Yanjie Wang, Xi'an Jiaotong Univ. (China)
Meng Luo, Xi'an Jiaotong Univ. (China)
Hualing Chen, Xi'an Jiaotong Univ. (China)


Published in SPIE Proceedings Vol. 9798:
Electroactive Polymer Actuators and Devices (EAPAD) 2016
Yoseph Bar-Cohen; Frédéric Vidal, Editor(s)

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