Improved Thermoelectric Cooling Based on the Thomson Effect

Details Improved Thermoelectric Cooling Based on the Thomson Effect Improved Thermoelectric Cooling Based on the Thomson Effect

2011-11-22

arxiv.org/abs/1111.5300v2

Physics

Condensed Matter

Materials Science

The Manuscript has been revised for publication

Scientific paper

Traditional thermoelectric cooling relies on the Peltier effect which produces a temperature drop limited by the figure of merit, zT. This cooling limit is not required from classical thermodynamics but can be traced to problems of thermoelectric compatibility. Alternatively, if a thermoelectric cooler can be designed to achieve full thermoelectric compatibility, lower temperature can be achieved even if the zT is low. In such a device the Thomson effect plays an important role. We present the theoretical concept of a "Thomson cooler," for cryogenic cooling which is designed to maintain thermoelectric compatibility and we derive the requirements for the Seebeck coefficient.

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