High Electromechanical Response of Ionic Polymer Actuators with Controlled-Morphology Aligned Carbon Nanotube/Nafion Nanocomposite Electrodes
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Wardle_High electromechanical response.pdf
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Author(s)
Liu, Sheng
Liu, Yang
Lin, Jun-Hong
Zhang, Q. M.
Cebeci, Hulya Geyik
Wardle, Brian L.
de Villoria, Roberto Guzman
Date Issued
July 2010
Journal
Advanced Functional Materials
Publisher
Wiley Blackwell
Citation
Liu, Sheng, Yang Liu, Hulya Cebeci, Roberto Guzman de Villoria, Jun-Hong Lin, Brian L. Wardle, and Q. M. Zhang. “High Electromechanical Response of Ionic Polymer Actuators with Controlled-Morphology Aligned Carbon Nanotube/Nafion Nanocomposite Electrodes.” Advanced Functional Materials 20, no. 19 (October 8, 2010): 3266-3271.
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Author's final manuscript
Abstract
Recent advances in fabricating controlled-morphology vertically aligned carbon nanotubes (VA-CNTs) with ultrahigh volume fraction create unique opportunities for markedly improving the electromechanical performance of ionic polymer conductor network composite (IPCNC) actuators. Continuous paths through inter-VA-CNT channels allow fast ion transport, and high electrical conduction of the aligned CNTs in the composite electrodes lead to fast device actuation speed (>10% strain/second). One critical issue in developing advanced actuator materials is how to suppress the strain that does not contribute to the actuation (unwanted strain) thereby reducing actuation efficiency. Here, experiments demonstrate that the VA-CNTs give an anisotropic elastic response in the composite electrodes, which suppresses the unwanted strain and markedly enhances the actuation strain (>8% strain under 4 V). The results reported here suggest pathways for optimizing the electrode morphology in IPCNCs using ultrahigh volume fraction VA-CNTs to further enhanced performance.
Description
Author Manuscript 2011 October 8
MIT Department
Massachusetts Institute of Technology. Department of Aeronautics and Astronautics
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Creative Commons Attribution-Noncommercial-Share Alike 3.0
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DOI of Published Version
https://doi.org/10.1002/adfm.201000570
