Piezoelectric device with piezoelectric polymer material

摘要

The present invention relates to a piezoelectric device of a multi-layered structure on which first electrodes and second electrodes are sequentially stacked on a piezoelectric polymer and single surfaces or both surfaces of piezoelectric polymer.;In accordance with the present invention, the vibration response characteristics of the piezoelectric polymer can be improved by using the graphene or the composite thereof as a surface electrode material to the piezoelectric polymer; and, there are effects that the response characteristics of the piezoelectric device are excellent and the reliability thereof is excellent by forming a second electrode having an excellent conductivity and a protection electrode thereof.

主权项

1. A piezoelectric device with a multi-layered structure, comprising:
a piezoelectric polymer; and a plurality of first electrodes and a plurality of second electrodes stacked sequentially on a single surface or both surfaces of the piezoelectric polymer, wherein the first electrodes are graphene having a hexagonal sheet structure or a graphene composite including the same.