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Car Refrigerator Refrigeration Principle
Sep 20, 2016

Semiconductor refrigeration is also called thermoelectric cooling or thermoelectric cooling, it is the use of "Pearl effect" a cooling method, and the compression refrigeration and absorption refrigeration and known as the world's top three cooling mode.

In 1843, France physicist PAL in copper wire at either end of a bismuth wire and two bismuth wire respectively on the polarity of DC power supply, power, he was surprised to find that a joint gets hot, another joint cold; the phenomenon came to be known as "PAL effect".