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Thermoelectric cooling uses the Peltier effect to create a heat flux at the junction of two different types of materials. 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.
A review reported that supplementing the air-cooled condenser for radiative cooling panels in a thermoelectric power plant condenser achieved a 4096 kWhth/day cooling effect with a pump energy consumption of 11 kWh/day. [7]
Thermoelectric materials generate power directly from the heat by converting temperature differences into electric voltage. These materials must have both high electrical conductivity (σ) and low thermal conductivity (κ) to be good thermoelectric materials. Having low thermal conductivity ensures that when one side is made hot, the other side ...
The use of materials with a high Seebeck coefficient [3] is one of many important factors for the efficient behaviour of thermoelectric generators and thermoelectric coolers. More information about high-performance thermoelectric materials can be found in the Thermoelectric materials article.
II-VI Marlow designs and manufactures semiconductor-based thermoelectric coolers and subsystems, [10] which provide cooling, heating, temperature stabilization, power generation, and energy harvesting functions. [1] Its products are used for infrared sensors, fibre-optic guidance systems, thermal reference sources, refrigerators, and chillers ...
The thermoelectric generator, or TEG, is a power source that has been recently experimented with to test its viability in maintaining active cooling. It is a device that makes use of the Seebeck effect to convert heat energy into electrical energy. Applications of the power source are more commonly found in technologies requiring high power.
The efficiency of a thermoelectric device for electricity generation is given by , defined as =.. The maximum efficiency of a thermoelectric device is typically described in terms of its device figure of merit where the maximum device efficiency is approximately given by [7] = + ¯ + ¯ +, where is the fixed temperature at the hot junction, is the fixed temperature at the surface being cooled ...
The coefficient of performance or COP (sometimes CP or CoP) of a heat pump, refrigerator or air conditioning system is a ratio of useful heating or cooling provided to work (energy) required. [ 1 ] [ 2 ] Higher COPs equate to higher efficiency, lower energy (power) consumption and thus lower operating costs.
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