Electromechanical modelling of tapered ionic polymer metal composites transducers
نویسندگان
چکیده
منابع مشابه
Electromechanical response of ionic polymer-metal composites
An ionic polymer-metal composite ~IPMC! consisting of a thin Nafion sheet, platinum plated on both faces, undergoes large bending motion when an electric field is applied across its thickness. Conversely, a voltage is produced across its faces when it is suddenly bent. A micromechanical model is developed which accounts for the coupled ion transport, electric field, and elastic deformation to p...
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Migration of ions under electric field is the phenomenon behind the mechanical deformation of ionic polymer actuators. This transport process is influenced by numerous factors depending on the physical, chemical and electrical properties of the material used [1]. Among them porosity and tortuosity are one of the main influencing factors that modifies ion channels and so the properties of the ma...
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Ionic liquids have shown promise as replacements for water in ionic polymer transducers. Ionic liquids are non-volatile and have a larger electrochemical stability window than water. Therefore, transducers employing ionic liquids can be operated for long periods of time in air and can be actuated with higher voltages. Furthermore, transducers based on ionic liquids do not exhibit the characteri...
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Ionic polymer-metal composites ~IPMCs! consist of a polyelectrolyte membrane ~usually, Nafion or Flemion! plated on both faces by a noble metal, and is neutralized with certain counter ions that balance the electrical charge of the anions covalently fixed to the backbone membrane. In the hydrated state ~or in the presence of other suitable solvents!, the composite is a soft actuator and sensor....
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ژورنال
عنوان ژورنال: Perspectives in Science
سال: 2016
ISSN: 2213-0209
DOI: 10.1016/j.pisc.2016.03.020