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http://dx.doi.org/10.7317/pk.2012.36.4.434

High-Performance Ionic Polymer-Metal Composite Actuators Based on Nafion/Conducting Nanoparticulate Electrospun Webs  

Jung, Yo-Han (Department of Materials Chemistry and Engineering, Konkuk University)
Lee, Jang-Woo (Nano Hybrids Center, Korea Institute of Science and Technology)
Yoo, Young-Tai (Department of Materials Chemistry and Engineering, Konkuk University)
Publication Information
Polymer(Korea) / v.36, no.4, 2012 , pp. 434-439 More about this Journal
Abstract
To improve the performance of ionic polymer-metal composite (IPMC) actuators, Nafion films sandwiched with Nafion/conducting nanoparticulate electrospun webs were used as polymer electrolytes of IPMC. Multiwalled carbon nanotube (MWNT) and silver were the conducting nanoparticulates and the nanoparticles dispersed in a Nafion solution were electrospun. IPMCs with the Nafion/conducting nanoparticulate electrospun webs displayed improved displacements, response rates, and blocking forces. MWNT was superior to silver in terms of displacement and blocking force, and the webs without the conducting fillers also caused enhanced performances compared with the conventional IPMCs. These improvements were attributed to an elevated electrolyte flux through highly porous interlayers and capacitance induced by well dispersed conducting fillers, and low interfacial resistance between electrolyte and electrodes.
Keywords
ionic polymer-metal composites; actuator; electrospinning; multiwalled carbon nanotube; Nafion;
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