Piezoelectric ultracapacitor

• US 7,755,257 B2
• Filed: 09/03/2007
• Issued: 07/13/2010
• Est. Priority Date: 09/03/2007
• Status: Expired due to Fees

• Current Assignee: Joseph A. Micallef
• Original Assignee: Joseph A. Micallef
• Inventors: Micallef, Joseph A.
• Primary Examiner(s): SAN MARTIN, JAYDI A
• Application Number:
  US11/849,326
• Publication Number:
  US 20090058223A1
• Time in Patent Office: 1,044 Days
• Field of Search: 310/311, 310/328, 310/800, 310/339, 361502-503, 320/167
• US Class Current: 310/339
• CPC Class Codes: H01G 11/26 characterised by their structure, e.g. multi-layered, porosity or surface features
• CPC Class Codes: H10N 30/30 with mechanical input and electrical output, e.g. functioning as generators or sensors
• CPC Class Codes: Y02E 60/13 Energy storage using capacitors
• CPC Class Codes: Y10T 29/42 Piezoelectric device making

Abstract

Piezoelectric ultracapacitor is disclosed capable of converting the kinetic energy of ordinary motion into an electrical potential. The piezoelectric ultracapacitor of the present invention may be used in various contexts, including power generation, switching and control and memory.

Claims

1. A piezoelectric device, comprising:

a piezoelectric element having at least a first surface and a second surface, said first surface coupled to a first electrolyte layer, said first electrolyte layer coupled to a first electrode, and said second surface of said piezoelectric element coupled by an electrical connection to said first electrode.

2. The piezoelectric device of claim 1 wherein said second surface of said piezoelectric element is coupled to a second electrolyte layer, and said second electrolyte layer is coupled to a second electrode.

3. The piezoelectric device of claim 2 wherein said electrical connection includes a first semi-conductive device and wherein said first surface is coupled to said second electrode via a second semi-conductive device.

4. The piezoelectric device of claim 1 wherein said first electrolyte layer includes a first proton conductive membrane.

5. The piezoelectric device of claim 1 wherein said piezoelectric element is comprised of at least one flexible piezoelectric layer.

6. The piezoelectric device of claim 1 wherein said electrical connection includes a first semi-conductive device.

7. An ultracapacitive piezoelectric device, comprising:

a piezoelectric element having at least a first face and a second face,

a first electrode, in contact with a first electrolyte layer and opposite said first face of said piezoelectric element,

a second electrode, in contact with a second electrolyte layer and opposite said second face of said piezoelectric element, and

wherein said first face of said piezoelectric element is coupled to said second electrode by an electrical connection.

8. The device of claim 7 wherein said piezoelectric element is comprised of at least one flexible piezoelectric material.

9. The device of claim 7 wherein said electrical connection includes a means for connecting.

10. The device of claim 9 wherein said means for connecting includes at least a first semi-conductive device.

11. The device of claim 7 wherein said first electrolyte layer includes a liquid electrolyte.

12. The device of claim 7 wherein said first electrolyte layer is a liquid electrolyte.

13. An ultracapacitive piezoelectric device, comprising:

a piezoelectric layer having a first surface and a second surface,

a first electrolyte layer coupled to a first electrode and said first surface,

a second electrolyte layer coupled to a second electrode and said second surface, and

wherein said first surface is coupled to said second electrode by an electrical connection.

14. The device of claim 13 wherein said piezoelectric element is comprised of at least one flexible piezoelectric material.

15. The device of claim 13 wherein said electrical connection includes a means for connecting.

16. The device of claim 15 wherein said means for connecting includes at least a first semi-conductive device.

17. The device of claim 13 wherein said first electrolyte layer includes a liquid electrolyte.

18. The device of claim 13 wherein said first electrolyte layer includes a first proton conductive membrane.

19. The device of claim 18 wherein said second electrolyte layer includes a second proton conductive membrane.