Glass-ceramic thermoelectric module

Details Glass-ceramic thermoelectric module Glass-ceramic thermoelectric module

2008-02-15

2011-10-18

Michener, Jennifer K. (Department: 1728)

Batteries: thermoelectric and photoelectric

Thermoelectric

Electric power generator

C136S203000, C136S204000, C136S208000, C136S236100, C136S237000, C136S238000, C029S607000

Reexamination Certificate

active

08039728

ABSTRACT:
The invention is directed to a thermoelectric module that utilizes a glass-ceramic material in place of the alumina and aluminum nitride that are commonly used in such modules. The glass-ceramic has a coefficient of thermal expansion of <10×10−7/° C. The p- and n-type thermoelectric materials can be any type of such materials that can withstand an operating environment of up to 1000° C., and they should have a CTE comparable to that of the glass-ceramic. The module of the invention is used to convert the energy wasted in the exhaust heat of hydrocarbon fueled engines to electrical power.

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S. Urata et al.; “Power generation of p-type Ca3Co4O9
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R. Funahashi et al.; “A portable thermoelectric-power-generating module composed of oxide devices”; Journal of Applied Physics 99, 066117 (2006) p. 066117-1-066117-3.
Terry J. Hendricks, PhD, PE; “Advanced Thermoelectric Energy Recovery Systems in Future Vehicle Systems”; DOE/EPRI High-Efficiency Thermoelectric Workshop, San Diego, CA Feb. 19, 2004; 32 Slides from Power Point Presentation.

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