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Re: Looking for material that converts Thermal-to-Electricit
This is a Peltier device. It is not an efficient way to produce electricity but it works. In general it is the peltier junction effect. The junction between different metals. It is used in thermocouples to measure temperature, probably with your digital multimeter.
Re: Looking for material that converts Thermal-to-Electricit
A thermocouple consists of two dissimilar metals, joined together at one end, and produce a small unique voltage at a given temperature. This voltage is measured and interpreted by a thermocouple thermometer.
The thermoelectric voltage resulting from the temperature difference from one end of the wire to the other is actually the sum of all the voltage differences along the wire from end to end
Thermocouples can be made from a variety of metals and cover a temperature range of –200°C to 2600°C (Copper-Constantan, Iron-Constantan, Chromel-Constantan, Chromel-Alumel, Nicrosil-Nisil, Tungsten-Molybdenum)
Anyone has any idea how-many-pieces-of-thermoelectric-device or what-is-the-size-of-thermal-to-electricity-material (estimation) required to produce 1W of power?
Thanks
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