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6 April 2009 Modeling and experimental verification of a dielectric polymer energy scavenging cycle
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A feasibility study into the appropriateness of using a laminated dielectric electro active polymer (DEAP) film, called PolyPowerTM, for energy scavenging purposes is reviewed in this work. The maximum strain in the film is limited to < 35% and the maximum applied voltage is currently limited to < 3000 V, strains and voltages much less than those applied to acrylics already utilised in DEAP-based energy harvesting applications. This work will examine the amount of electrical energy that can be produced using PolyPowerTM to provide insight into (a) the practicality of using the material for energy scavenging and (b) to highlight feasible scavenging applications. A test rig was designed and a series of experiments carried out to investigate energy scavenging using the DEAP material. Three different levels of initial mechanical strain, 5%, 10% and 15% were investigated with three different levels of maximum applied voltage during the charging stage, 1.2 kV, 1.5 kV and 1.8 kV. For each, of the nine, experiment the total amount of electrical energy available for scavenging was determined and results compared with a model of the energy scavenging cycle. The recovery of the scavenged electrical energy was not addressed in this work, though the relevant advantages and disadvantages of different types of continuous operation of the cycle are discussed.
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Yousef H. Iskandarani, Richard W. Jones, and Egon Villumsen "Modeling and experimental verification of a dielectric polymer energy scavenging cycle", Proc. SPIE 7287, Electroactive Polymer Actuators and Devices (EAPAD) 2009, 72871Y (6 April 2009);

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