Experimental analysis of one and two-stage thermoelectric heat pumps to enhance the performance of a thermal energy storage

I. Erro, P. Aranguren, I. Alzuguren, D. Chavarren and D. Astrain

Energy, 2023, vol. 285, issue C

Abstract: This experimental study demonstrates the possibility to enhance the performance of a low-temperature thermal energy storage system (∼160 °C) based on airflow heating using electrical heaters by including thermoelectric technology. An improvement of the 17 % on COP is reached by using an optimized thermoelectric heat pump system to preheat the airflow, consisting of three one-stage and three pyramidal two-stage thermoelectric heat pumps sequentially installed along the airflow that is heating.

Keywords: Two-stage thermoelectric heat pump; COP; Air heating; Thermal energy storage (search for similar items in EconPapers)
Date: 2023
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:285:y:2023:i:c:s0360544223028414

DOI: 10.1016/j.energy.2023.129447

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