We consider non-equilibrium steady-state situations for thermoelectric systems with non-local and nonlinear effects. We show that the Onsager symmetry relations for effective transport coefficients break down. We also estimate the consequences of such a breakdown for the efficiency of the thermoelectric energy conversion which, under some conditions, could be higher than in the usual linear regime with Onsager symmetry.
A nonlinear thermodynamic model for a breakdown of the Onsager symmetry and the efficiency of thermoelectric conversion in nanowires
CIMMELLI, Vito Antonio;
2014-01-01
Abstract
We consider non-equilibrium steady-state situations for thermoelectric systems with non-local and nonlinear effects. We show that the Onsager symmetry relations for effective transport coefficients break down. We also estimate the consequences of such a breakdown for the efficiency of the thermoelectric energy conversion which, under some conditions, could be higher than in the usual linear regime with Onsager symmetry.File in questo prodotto:
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Cimmelli Sellitto Jou Proc. R. Soc. A-2014.pdf
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