Hybrid generator using thermoelectric generation and piezoelectric generation

Patent metadata

Field	Value
Publication number	US-2016308109-A1
Application number	US-201615195282-A
Country	US
Kind code	A1
Filing date	Jun 28, 2016
Priority date	Dec 21, 2012
Publication date	Oct 20, 2016
Grant date	—

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 upper portion of the thermoelectric generator, wherein the thermoelectric generator comprises a first insulating layer, a second insulating layer disposed on the upper portion of 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 upper portion of second insulating layer, a second electrode disposed on the upper portion of the first electrode, a piezoelectric structure disposed between the first and second electrodes, a third insulating layer disposed between the piezoelectric structure and the second electrode, and a fourth insulating layer disposed between the piezoelectric structure and the first electrode.

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 piezoelectric structure comprises a plurality of piezoelectric nanowires.

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

15 . The hybrid generator of claim 13 , further comprising a seed layer disposed between the piezoelectric nanowires and the fourth insulating layer.

16 . The hybrid generator of claim 1 , wherein the piezoelectric structure comprises a piezoelectric thin layer.

17 . The hybrid generator of claim 16 , wherein the piezoelectric thin layer comprises ZnO, ZnSnO 3 , SnO, BaTiO 3 , PZT or polyvinylidene fluoride (PVDF).

Assignees

• Samsung Electronics Co Ltd
• Georgia Tech Res Inst

Inventors

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

Classifications

• F26B9/08

  including agitating devices {, e.g. pneumatic recirculation arrangements (unloading devices F26B25/002; spouted beds F26B3/0926)} · CPC title

• B82Y30/00 Primary

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

• F26B25/12

  Walls or sides; Doors · 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

• F26B25/005

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