Energy Harvesting Using a Thermoelectric Material

Tech ID: 21683 / UC Case 2005-418-0


A novel energy harvesting system and method utilizing a thermoelectric having a material exhibiting a large thermally induced strain (TIS) due to a phase transformation and a material exhibiting a stress induced electric field is introduced. A material that exhibits such a phase transformation exhibits a large increase in the coefficient of thermal expansion over an incremental temperature range (typically several degrees Kelvin). When such a material is arranged in a geometric configuration, such as, for a example, a laminate with a material that exhibits a stress induced electric field (e.g. a piezoelectric material) the thermally induced strain is converted to an electric field.

Patent Status

Country Type Number Dated Case
United States Of America Issued Patent 7,397,169 07/08/2008 2005-418


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  • Carman, Gregory P.

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