The module is characterized by the following electric and thermal performance: [V.sub.max]= 15.4V, [I.sub.max] = 14.0A, [DELTA][T.sub.s] = ([T.sub.hS] - [T.sub.c,s])max = 67.0[degrees]C, [Q.sub.c.s,max] = 120 W, evaluated for [T.sub.hs] = 25[degrees]C The thermal, electric, and thermoelectric properties of the materials are given in Appendix B.
The article presents a distributed parameter model for the design and sizing of thermoelectric modules, both for electrical energy and for cooling.
The definition of the geometry and thermal field solution can be obtained by any finite element solver as the electrical and thermoelectric phenomena are described by the basic equations and are thermal loads and boundary conditions for the solver.
Evaluation of the characteristics of a new alloy CoPtN that is designed to enhance spin polarization of Pt according to AI-derived knowledge confirmed that thermoelectric conversion efficiency around 100 times higher than that of previous Pt alloy was obtained.
"We will continue to further expand the search for materials using AI in the future, focusing on further improvement in the thermoelectric conversion efficiency of spin-current thermoelectric conversion elements and the development of new low-cost materials," said Eiji Saitoh, Professor, Tohoku University.
"We aim for the early pranctical application of spin-current thermoelectric conversion elements as power source technology for IoT devices that will continue to work for years without a battery or other power source and as low cost, high performance electronic cooling technology," said Soichi Tsumura, General Manager, NEC IoT Devices Research Laboratories.
Toberer et al., "Enhancement of thermoelectric efficiency in PbTe by distortion of the electronic density of states," Science, vol.
Williams, "Filled skutterudite antimonides: a new class of thermoelectric materials," Science, vol.
Tritt, "Skutterudites: a phonon-glass-electron crystal approach to advanced thermoelectric energy conversion applications," Annual Review of Materials Research, vol.
In order to improve the thermoelectric performance of [Bi.sub.2][Te.sub.3]-based materials and broaden the application of power generation, scientists worldwide have conducted a great deal of researches.
The theoretical research on [Bi.sub.2][Te.sub.3]-based thermoelectric materials is in the process of continuous improvement.
By reducing the dimension, the thermal conductivity can be reduced and the ZT value can be increased, the Seebeck coefficient can be further increased, and the power generation efficiency of thermoelectric power generation can be improved.