Compact night vision focal plane array cooling using FlexTEC high-ZTape

Award Information
Agency:
Department of Defense
Branch
Army
Amount:
$778,940.00
Award Year:
2009
Program:
SBIR
Phase:
Phase II
Contract:
W909MY-09-C-0004
Award Id:
77501
Agency Tracking Number:
A062-118-2473
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
6201 East Oltorf St., Suite 400, Austin, TX, 78741
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
100651798
Principal Investigator:
Steve Savoy
Vice President Tech. Dev.
(512) 389-9990
ssavoy@nanohmics.com
Business Contact:
Keith Jamison
President
(512) 389-9990
kjamison@nanohmics.com
Research Institute:
n/a
Abstract
Compact, solid-state thermoelectric devices provide many advantages in refrigeration and power generation. These highly reliable devices have no moving parts, operate over a large range of temperatures, do not emit toxic/environmentally unfriendly gases and are easily integrated into thermal systems. Despite these advantages, engineering applications have been limited by the relatively low intrinsic energy conversion efficiency of the devices compared to conventional refrigeration systems. This limitation stems from the semiconductor materials comprising the thermoelectric elements (i.e. short legs of active material between the two ceramic faces). To a lesser extent, the engineered dimensions and the thermal/electrical contact resistances of the device play a role in the overall device efficiency. Increasing the intrinsic efficiency of the thermoelectric materials and providing structures that are amenable to custom engineered geometries will open up new opportunities in Army applications such as detector cooling, integrated textile (personal BDU) cooling and conformability to waste heat pipes/machinery for energy recovery. The results of the Phase I program provided a conceptual illustration of the method for fabricating consolidated nanophase high ZT composites and scaling the fabrication of the consolidated high ZT thermoelectric element arrays into a manufacturing setting. For the Phase II program, Nanohmics and Dr. Stokes will continue the development of FlexTEC high-ZTape, a conformable solid-state cooling device that promises high-efficiency, low-cost, and lightweight integration into Army thermal management systems.

* information listed above is at the time of submission.

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