Cellulose Nanofiber/Chitosan/Polyrotaxane foam alloy for sustainable form-stable phase change materials

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URI: https://hdl.handle.net/10641/6807
ISSN: 0167-577X
DOI: 10.1016/j.matlet.2025.138623

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2025-09-01

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Abstract

This study introduces a novel cellulose nanofiber (CNF)/Chitosan (CH)/polyrotaxane (PLR) foam alloy as a form-stable PCM support material. The CNF/CH/PLR aerogel demonstrates a well-balanced porous structure with effective encapsulation of polyethylene glycol (PEG). Combining PLR with CNF/CH, the PEG leakage resistance was significantly improved. The resulting CNF/CH/20 %PLR-PEG composite exhibits exceptional enthalpy values of 181.1 J/g, along with superior mass retention rates under melting. These findings highlight the potential of this bio-based composite for advanced thermal energy storage systems, offering a sustainable and efficient solution for energy-efficient applications.

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Publisher Copyright: © 2025 The Author(s)

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Cellulose nanofiber, PEG, Polyrotaxane, Porous materials, General Materials Science, Condensed Matter Physics, Mechanics of Materials, Mechanical Engineering, Yes, yes

Citation

Yang, X M, Mesa, L S, Serrano, A N & Yin, G Z 2025, 'Cellulose Nanofiber/Chitosan/Polyrotaxane foam alloy for sustainable form-stable phase change materials', Materials Letters, vol. 394, 138623. https://doi.org/10.1016/j.matlet.2025.138623

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ESCUELA POLITÉCNICA SUPERIOR