Xylitol Used as Phase Change Material: Nucleation Mechanisms of the Supercooling Rupture By Stirring
- 10.2991/ahe.k.220301.004How to use a DOI?
- Thermal energy storage; Phase Change Material; Sugar Alcohols; Crystallization activation; Bubbling; Nucleation
Owing to its high energy density, Xylitol is a very promising Phase Change Material (PCM) for low temperature applications (< 100°C). However, it presents a high and persistent supercooling that inhibits the latent heat restitution during thermal discharges. Bubbling in the supercooled PCM is known as an efficient way to trigger Xylitol crystallization. This paper proposes an experimental investigation leading to a new description of the nucleation mechanisms behind this triggering technique based on secondary nucleation. Adding a seeding step to the crystallization process is also proposed to increase the efficiency and reproducibility of the heat restitution.
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Cite this article
TY - CONF AU - L. Piquard AU - E. Gagnière AU - G. Largiller AU - D. Mangin AU - F. Bentivoglio PY - 2022 DA - 2022/03/03 TI - Xylitol Used as Phase Change Material: Nucleation Mechanisms of the Supercooling Rupture By Stirring BT - Proceedings of the International Renewable Energy Storage Conference 2021 (IRES 2021) PB - Atlantis Press SP - 28 EP - 35 SN - 2589-4943 UR - https://doi.org/10.2991/ahe.k.220301.004 DO - 10.2991/ahe.k.220301.004 ID - Piquard2022 ER -