Patent ID: 11870372
Assignee: THE JOHNS HOPKINS UNIVERSITY
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An energy harvesting device for energy harvesting, comprising:
a piezoelectric harvester comprising a first piezoelectric electrode, a second piezoelectric electrode, and a piezoelectric nanocomposite positioned between the first piezoelectric electrode and the second piezoelectric electrode; and
an electrostatic harvester comprising a first electrostatic electrode, a second electrostatic electrode, and an electret film positioned between the first electrostatic electrode and the second electrostatic electrode,
wherein the piezoelectric nanocomposite is physically positioned between the first piezoelectric electrode and the first electrostatic electrode, and
wherein the first electrostatic electrode, the second electrostatic electrode, and the electret film are positioned directly between the first piezoelectric electrode and the second piezoelectric electrode.