An experimental Peltier refrigerator utilizing thermoelements of annular configuration has been designed, constructed, and operated. The thermoelectric materials used are p- and n-type Bi2Te3 with ρp=2×10−3 ohm-cm, ep=180 μvolts/°C, ρn=8.5×10−4 ohm-cm, and en=−150 μvolts/°C. The device has been operated under ``no-load'' conditions over a range of power inputs and has exhibited a maximum ΔT of 49°C. A simple theory relating to the performance of Peltier thermocouples is derived. Experimental performance of the device is shown to agree with theoretical predictions within experimental error.
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T. S. Shilliday (1957) studied this question.
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