Paper Title:
Novel High-Intensity Thermoelectric Generator and its Application on Hybrid Electric Vehicle
  Abstract

The hybrid electric vehicle (HEV) equipped both engine and generator is a transitional type from the internal-combustion engine vehicle to electric vehicle, but is a self-existent type, too. Applying a thermoelectric generator to recovery the waste heat of its engine, could not only improve the energy saving, but also the discharge / charge performance of the vehicle. For this purpose, the applicable generator must be a high-power and high-density one, which exchanges energy between the waste heat flow field and the conversion electric field; moreover, the temperature field is the coupling field with them. One of the methods to increase power-density of the generator is to strengthen the conversion intensity among above fields. In this paper, firstly a novel internal-axial-netted thermoelectric generator is presented, which includes following basic ideas: (1) using the stereo-electrodes to improve the integration of thermo-elements; (2) let the thermocouples to do heat convection directly with heat gas flow in pipe, to increase the heat flow density and electric current density, reduce the thermal resistance on solid conducting; (3) using the compensating wire to connect thermoelectric circuit and elongate the distance between hot source and cold source, so a higher temperature difference and a stronger cooling effect can be made. The analyses show though this generator used existing thermoelectric materials, its out-power can be increased and volume can be compacted. After this, secondly, the application scheme and key technologies of the novel high-intensity thermoelectric generator (HTG) as a main electrical source to supply electric power in HEV are chiefly discussed also.

  Info
Periodical
Key Engineering Materials (Volumes 336-338)
Edited by
Wei Pan and Jianghong Gong
Pages
892-895
DOI
10.4028/www.scientific.net/KEM.336-338.892
Citation
Z. Zhang, J. H. Wu, G. S. Si, "Novel High-Intensity Thermoelectric Generator and its Application on Hybrid Electric Vehicle", Key Engineering Materials, Vols. 336-338, pp. 892-895, 2007
Online since
April 2007
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Price
$32.00
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