NDLI: Ionic Liquids as Hyper-Stable Solvents for Ionic Polymer Transducers

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Matthew, D. Bennett Donald, J. Leo
Copyright Year	2003
Abstract	Nafion™ membranes are known to operate as electromechanical actuators and sensors. The transduction in the material is caused by redistribution of the mobile cations in the material, which is made possible because the material is saturated with a solvent. Typically the solvent used is water, although its use limits the performance of these materials. This is due to the chemical breakdown of the water at relatively low operating voltages and the loss of the water to evaporation when these devices are operated in air, causing a corresponding loss of performance. In the current work, the use of highly stable ionic liquids to replace water is explored. Ionic liquids have the advantage of greater electrochemical stability than water, thus offering the possibility of higher actuation voltages for these materials. Also, ionic liquids are known to be non-volatile and therefore will not leach out of the polymer by evaporation as water will. This paper will present the results of some initial work with ionic liquids and will compare these materials to the same polymers solvated with water.
Sponsorship	Aerospace Division
Starting Page	415
Ending Page	423
Page Count	9
File Format	PDF
ISBN	0791837076
DOI	10.1115/IMECE2003-43551
Volume Number	Aerospace
Conference Proceedings	ASME 2003 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2003-11-15
Publisher Place	Washington, DC, USA
Access Restriction	Subscribed
Subject Keyword	Water Transducers Membranes Stability Evaporation Sensors Polymers Electromechanical actuators
Content Type	Text
Resource Type	Article

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