Improved Thermoelectric Cooling Based on the Thomson Effect
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.
Additional Information© 2016 Society of Photo-Optical Instrumentation Engineers (SPIE). Dated: February 2, 2014. We thank AFOSR MURI FA9550-10-1-0533 for support.
Published - 98210J.pdf