Seebeck Coefficient - In Compliance Magazine

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The voltage built up when a small temperature gradient is applied to a material, and when the material has come to a steady state where the current density is zero everywhere. If the temperature difference ΔT between the two ends of a material is small, then the Seebeck coefficient of a material is defined as:
${displaystyle S=-{Delta V over Delta T}}$
where ΔV is the thermoelectric voltage seen at the terminals.

New Thermocell Uses Body Heat to Power Wearable Tech
A group of scientists from the Huazhong University of Science and Technology in Wuhan, China have developed a new flexible thermocell utilizing gel electrolytes to harvest energy from its surrounding environment.

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