公开(公告)号：US11785856B2

公开(公告)日：2023-10-10

申请号：US16481023

申请日：2018-01-26

Applicant: THE TRUSTEES OF DARTMOUTH COLLEGE

Inventor： Zi Chen ,  John X. J. Zhang ,  Lin Dong ,  Zhe Xu

IPC: H10N30/30 ,  A61N1/378 ,  H02N2/18 ,  H10N30/857

CPC classification number: H10N30/306 ,  A61N1/3785 ,  H02N2/186 ,  H10N30/857

Abstract: A piezoelectric energy harvester has a layered structure comprising a first electrode, a polymeric piezoelectric material, and a second electrode, the layered structure coupled to receive mechanical stress from the environment, and the first and second electrode electrically coupled to a power converter. The power converter is adapted to charge an energy storage device selected from a capacitor and a battery. The method of harvesting energy from the environment includes providing a piezoelectric device comprising a layer of a polymeric piezoelectric material disposed between a first and a second electrode; coupling mechanical stress derived from an environment to the piezoelectric device; and coupling electrical energy from the piezoelectric device.