THERMAL SCIENCE

International Scientific Journal

Anbang Liu

,

Zihua Wu

,

Huaqing Xie

,

Yuanyuan Wang

,

Jianhui Mao

,

Jiaojiao Xing

,

Yihuai Li

EFFECT OF GEOMETRICAL STRUCTURE OF EMBEDDED PHASE CHANGE MATERIAL ON THE POWER GENERATION OF THERMOELECTRIC MODULE

ABSTRACT
The effect of geometrical structure of embedded phase change material (PCM) on the power generation of the thermoelectric module (TEM) was studied in this work. Paraffin wax with different geometrical structure was embedded in a polymer container which is adhered to the hot junction of the fabricated TEM. Since the PCM can used as the heat source and provide latent heat when the heat source stops providing heat, applying the PCM in the TEM is an efficiency method to enhance the power generation of the TEM. Our experimental results show that the energy harvesting time becomes 60 seconds longer in comparison with the case without the PCM when 4.3 g weight of paraffin wax is applied. At the same time, the power generation of the TEM increases by magnitude of 25%. Moreover, the output voltage and electrical energy generation of TEM with PCM increase with increasing both cross-area and height of the applied PCM.
KEYWORDS
thermoelectric module, phase change material
PAPER SUBMITTED: 2017-02-15
PAPER REVISED: 2017-06-30
PAPER ACCEPTED: 2017-07-29
PUBLISHED ONLINE: 2017-08-05
DOI REFERENCE: https://doi.org/10.2298/TSCI170215167A
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2018, VOLUME 22, ISSUE Issue 6, PAGES [2691 - 2698]
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Effect of geometrical structure of embedded phase change material on the power generation of thermoelectric module

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence