Chapter 6d

Energy Harvesting

High-Temperature Polymers for Magnetoelectric Applications

Alberto Maceiras

Alberto Maceiras

University of the Basque Country (UPV/EHU), Macromolecular Chemistry Research Group (LABQUIMAC), Department of Physical Chemistry, Faculty of Science and Technology, Bilbao, 48940 Spain

BCMaterials, Basque Center for Materials, Applications and Nanostructures, Parque Científico y Tecnológico de Bizkaia, Bld 500, 48160 Derio, Spain

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José Luis Vilas

José Luis Vilas

University of the Basque Country (UPV/EHU), Macromolecular Chemistry Research Group (LABQUIMAC), Department of Physical Chemistry, Faculty of Science and Technology, Bilbao, 48940 Spain

BCMaterials, Basque Center for Materials, Applications and Nanostructures, Parque Científico y Tecnológico de Bizkaia, Bld 500, 48160 Derio, Spain

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Luis Manuel León

Luis Manuel León

University of the Basque Country (UPV/EHU), Macromolecular Chemistry Research Group (LABQUIMAC), Department of Physical Chemistry, Faculty of Science and Technology, Bilbao, 48940 Spain

BCMaterials, Basque Center for Materials, Applications and Nanostructures, Parque Científico y Tecnológico de Bizkaia, Bld 500, 48160 Derio, Spain

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First published: 07 July 2017
Citations: 2

Summary

This chapter reviews the different types of piezoelectric polymers that can be used as piezoelectric elements in magnetoelectric (ME) composites for high temperature applications. It then explains the main characteristics of each polymer, their main advantages and disadvantages. Ramadan et al. classified piezoelectric polymers based on their operating principle in three main categories: piezocomposites, voided charged polymers (ferroelectrets), and bulk piezoelectric polymers. Piezocomposites are polymer structures with embedded inorganic (ceramic) piezoelectric materials from which the piezoelectric effect is generated and where the polymer is non-piezoelectric. Voided charged polymers are considered functional polymer systems for electromechanical transduction, with elastically heterogeneous cellular structures and internal quasi-permanent dipole moments. Bulk polymers are solid polymer films that have the piezoelectric mechanism through their molecular structure and its arrangement. The comprehension of the origin of piezoelectric and ferroelectric phenomena in bulk polymers is important to present the state of the art in them as high-temperature piezoelectric polymers for ME applications.

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