Irreversibilities and efficiency at maximum power of heat engines: The illustrative case of a thermoelectric generator

Y Apertet, H Ouerdane, C Goupil, P Lecoeur - Physical Review E—Statistical …, 2012 - APS
Energy conversion efficiency at maximum output power, which embodies the essential
characteristics of heat engines, is the main focus of the present work. The so-called Curzon …

High Temperature Thermoelectric Device Concept Using Large Area PN Junctions

R Chavez, S Angst, J Hall, J Stoetzel, V Kessler… - Journal of electronic …, 2014 - Springer
A new high temperature thermoelectric device concept using large area nanostructured
silicon p-type and n-type (PN) junctions is presented. In contrast to conventional …

Parametric modeling of energy filtering by energy barriers in thermoelectric nanocomposites

X Zianni, D Narducci - Journal of Applied Physics, 2015 - pubs.aip.org
We present a parametric modeling of the thermoelectric transport coefficients based on a
model previously used to interpret experimental measurements on the conductivity, σ, and …

Small-signal model for frequency analysis of thermoelectric systems

Y Apertet, H Ouerdane - Energy Conversion and Management, 2017 - Elsevier
We show how small-signal analysis, a standard method in electrical engineering, may be
applied to thermoelectric device performance measurement by extending a dc model to the …

Internal convection in thermoelectric generator models

Y Apertet, H Ouerdane, C Goupil… - Journal of Physics …, 2012 - iopscience.iop.org
Coupling between heat and electrical currents is at the heart of thermoelectric processes. In
a thermoelectric system this may be seen, from a thermal viewpoint, as an additional thermal …

Maximum power of thermally and electrically coupled thermoelectric generators

P Camacho-Medina, MA Olivares-Robles… - Entropy, 2014 - mdpi.com
In a recent work, we have reported a study on the figure of merit of a thermoelectric system
composed by thermoelectric generators connected electrically and thermally in different …

Thermoelectric system in different thermal and electrical configurations: Its impact in the figure of merit

A Vargas-Almeida, MA Olivares-Robles… - Entropy, 2013 - mdpi.com
In this work, we analyze different configurations of a thermoelectric system (TES) composed
of three thermoelectric generators (TEGs). We present the following considerations:(a) TES …

Thermoelectric driven ring currents in single molecules and graphene nanoribbons

JB Rix, P Hedegård - The Journal of Physical Chemistry C, 2019 - ACS Publications
In a Seebeck coefficient measurement with vanishing transport current, it is usually assumed
that local currents cancel as well. Here we present the existence of local electric currents in …

Equivalent parameters for series thermoelectrics

Y Apertet, H Ouerdane, C Goupil, P Lecoeur - Energy Conversion and …, 2015 - Elsevier
We study the physical processes at work at the interface of two thermoelectric generators
(TEGs) thermally and electrically connected in series. We show and explain how these …

A linear nonequilibrium thermodynamics approach to optimization of thermoelectric devices

H Ouerdane, C Goupil, Y Apertet, A Michot… - … : Materials Design and …, 2013 - Springer
Improvement of thermoelectric systems in terms of performance and range of applications
relies on progress in materials science and optimization of device operation. In this chapter …