Hybrid generator using thermoelectric generation and piezoelectric generation

Patent metadata

Field	Value
Publication number	US-10541358-B2
Application number	US-201615195282-A
Country	US
Kind code	B2
Filing date	Jun 28, 2016
Priority date	Dec 21, 2012
Publication date	Jan 21, 2020
Grant date	Jan 21, 2020

Abstract

A hybrid generator using a thermoelectric generation and a piezoelectric generation are provided. The hybrid generator includes first and second insulating layers spaced apart from each other; a thermoelectric structure disposed between the first and second insulating layers; a first electrode disposed on the second insulating layer; a piezoelectric structure disposed on the first electrode; a third insulating layer disposed on the piezoelectric structure; and a second electrode disposed on the third insulating layer.

First claim

What is claimed is:

1. A hybrid generator comprising:
a thermoelectric generator; and
a piezoelectric generator disposed on the thermoelectric generator,
wherein the thermoelectric generator comprises a first insulating layer, a second insulating layer disposed on the first insulating layer, and a thermoelectric structure disposed between the first and second insulating layers,
wherein the piezoelectric generator comprises a first electrode disposed on the second insulating layer, a second electrode disposed on the first electrode, a piezoelectric structure disposed between the first and second electrodes and including a plurality of piezoelectric nanowires, a third insulating layer disposed on the second electrode to be in direct contact with the plurality of piezoelectric nanowires and between the piezoelectric structure and the second electrode, a fourth insulating layer disposed on the first electrode, and a seed layer disposed between the plurality of piezoelectric nanowires and the fourth insulating layer to grow the plurality of piezoelectric nanowires, and
wherein the third insulating layer extends continuously between each of the plurality of piezoelectric nanowires.

2. The hybrid generator of claim 1 , further comprising a heat conductive substrate on which the first insulating layer is disposed.

3. The hybrid generator of claim 1 , wherein the first, second, third and fourth insulating layers comprise an insulator polymer.

4. The hybrid generator of claim 1 , wherein the first, second, third and fourth insulating layers have a thickness that is less than or equal to 2 μm.

5. The hybrid generator of claim 1 , wherein the thermoelectric structure comprises a plurality of p-type semiconductor structures and a plurality of n-type semiconductor structures.

6. The hybrid generator of claim 5 , further comprising a conductor that connects the plurality of p-type structures to the plurality of n-type semiconductor structures.

7. The hybrid generator of claim 6 , wherein the conductor is bonded to the plurality of p-type structures and the plurality of n-type semiconductor structures by a ductile solder.

8. The hybrid generator of claim 1 , wherein the first electrode comprises a flexible and conductive substrate.

9. The hybrid generator of claim 8 , wherein the first electrode comprises a metal substrate or a conductive polymer substrate.

10. The hybrid generator of claim 8 , wherein the first electrode has a thickness that is less than or equal to 500 μm.

11. The hybrid generator of claim 1 , further comprising a flexible plastic substrate on which the first electrode is disposed.

12. The hybrid generator of claim 11 , wherein the first electrode comprises a metal, a conductive polymer or graphene.

13. The hybrid generator of claim 1 , wherein the plurality of piezoelectric nanowires comprises ZnO, ZnSnO 3 , or SnO.

Assignees

• Samsung Electronics Co Ltd
• Georgia Tech Res Inst

Inventors

• Park Young-Jun
• Wang zhong-lin
• Lee Sang-Min

Classifications

• B82Y30/00 Primary

  Nanotechnology for materials or surface science, e.g. nanocomposites · CPC title

• F26B1/005

  by means of disintegrating, e.g. crushing, shredding, milling the materials to be dried (F26B17/102, F26B17/103 take precedence) · CPC title

• F26B25/12

  Walls or sides; Doors · CPC title

• F26B25/005

  Treatment of dryer exhaust gases (incineration of volatiles F26B23/022) · CPC title

• F26B23/04

  using electric heating (F26B23/10 takes precedence) · CPC title