US Patent 7397169 Energy harvesting using a thermoelectric material
Patent 7397169 was granted and assigned to Lawrence Livermore National Security (company) on July, 2008 by the United States Patent and Trademark Office.
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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.
US Patent 07397169 Energy harvesting using a thermoelectric material US Patent 7397169 Energy harvesting using a thermoelectric material
US Patent 07397169 Energy harvesting using a thermoelectric material
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