Its main disadvantages are high cost for a given cooling capacity and poor power efficiency (a low COP). The primary advantages of a Peltier cooler compared to a vapor-compression refrigerator are its lack of moving parts or circulating liquid, very long life, invulnerability to leaks, small size, and flexible shape. This technology is far less commonly applied to refrigeration than vapor-compression refrigeration is. It can also be used as a temperature controller that either heats or cools. It can be used either for heating or for cooling, although in practice the main application is cooling. Such an instrument is also called a Peltier device, Peltier heat pump, solid state refrigerator, or thermoelectric cooler ( TEC) and occasionally a thermoelectric battery. A Peltier cooler, heater, or thermoelectric heat pump is a solid-state active heat pump which transfers heat from one side of the device to the other, with consumption of electrical energy, depending on the direction of the current. Thermoelectric cooling uses the Peltier effect to create a heat flux at the junction of two different types of materials. JSTOR ( July 2015) ( Learn how and when to remove this template message).Unsourced material may be challenged and removed.įind sources: "Thermoelectric cooling" – news Please help improve this article by adding citations to reliable sources.
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