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Increasing the performance of dielectric elastomer actuators: A review from the materials perspective

AutorRomasanta, Laura J.; López-Manchado, Miguel A. ; Verdejo, Raquel
Palabras claveArtificial muscle
Dielectric permittivitya
Actuators
Dielectric elastomers
Fecha de publicación2015
EditorElsevier
CitaciónProgress in Polymer Science (Oxford) 51: 188-211 (2015)
ResumenElectro-active polymers (EAPs) are emerging as feasible materials to mimic muscle-like actuation. Among EAPs, dielectric elastomer (DE) devices are soft or flexible capacitors, composed of a thin elastomeric membrane sandwiched between two compliant electrodes, that are able to transduce electrical to mechanical energy, actuators, and vice versa, generators. Initial studies concentrated mainly on dielectric elastomer actuators (DEAs) and identified the electro-mechanical principles and material requirements for an optimal performance. Those requirements include the need for polymers with high dielectric permittivity and stretchability and low dielectric loss and viscoelastic damping. Hence, attaining elastomeric materials with those features is the focus of current research developments. This review provides a systematic overview of such research, highlighting the advances, challenges and future applications of DEAs.
Versión del editorhttp://dx.doi.org/10.1016/j.progpolymsci.2015.08.002
URIhttp://hdl.handle.net/10261/136295
DOI10.1016/j.progpolymsci.2015.08.002
Identificadoresdoi: 10.1016/j.progpolymsci.2015.08.002
issn: 0079-6700
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