Smart composite nanofiber mats with thermal management functionality

Abstract Nanofibers with thermal management ability are attracting great attention in both academia and industry due to the increasing interest in energy storage applications, thermal insulation, and thermal comfort. While electrospinning is basically a fiber formation technique, which uses electros...

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Autor principal:	Nuray Kizildag
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/f891a7b4fbb54329b98b754d6b565cb1
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spelling	oai:doaj.org-article:f891a7b4fbb54329b98b754d6b565cb12021-12-02T14:21:57ZSmart composite nanofiber mats with thermal management functionality10.1038/s41598-021-83799-52045-2322https://doaj.org/article/f891a7b4fbb54329b98b754d6b565cb12021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-83799-5https://doaj.org/toc/2045-2322Abstract Nanofibers with thermal management ability are attracting great attention in both academia and industry due to the increasing interest in energy storage applications, thermal insulation, and thermal comfort. While electrospinning is basically a fiber formation technique, which uses electrostatic forces to draw ultrafine fibers from a wide variety of polymers, with the addition of phase change materials (PCMs) to the electrospinning solution it enables the production of shape stabilized phase change materials with thermal management functionality. In this study, polyacrylonitrile (PAN) nanofibers containing paraffinic PCMs were produced by electrospinning method and the composite nanofibers obtained were characterized in terms of their morphology, chemical structure, thermal properties, stability, thermal degradation behaviour and hydrophobicity. Besides, PCMs with different phase transition temperatures were added simultaneously into the nanofiber structure in order to investigate the tunability of the thermoregulation properties of the nanofibers. Uniform nanofibers with thermal management functionality were obtained. It could be possible to obtain composite nanofibers showing thermoregulation ability over a wider temperature range by simultaneous addition of PCMs with different melting points into the nanofiber structure. 50 wt% PCM could be added to PAN nanofiber structure wherein the resulting nanofiber exhibited 58.74 J g−1 of enthalpy storage during heating and 57.41 J g−1 of heat release during cooling. The composite nanofibers maintained their cylindrical fiber morphology, structure and composition after multiple heating–cooling cycles and retained their thermal management functionality. The contact angle measurements showed that the addition of PCMs imparted hydrophobicity to the nanofibers.Nuray KizildagNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-16 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Nuray Kizildag Smart composite nanofiber mats with thermal management functionality
description	Abstract Nanofibers with thermal management ability are attracting great attention in both academia and industry due to the increasing interest in energy storage applications, thermal insulation, and thermal comfort. While electrospinning is basically a fiber formation technique, which uses electrostatic forces to draw ultrafine fibers from a wide variety of polymers, with the addition of phase change materials (PCMs) to the electrospinning solution it enables the production of shape stabilized phase change materials with thermal management functionality. In this study, polyacrylonitrile (PAN) nanofibers containing paraffinic PCMs were produced by electrospinning method and the composite nanofibers obtained were characterized in terms of their morphology, chemical structure, thermal properties, stability, thermal degradation behaviour and hydrophobicity. Besides, PCMs with different phase transition temperatures were added simultaneously into the nanofiber structure in order to investigate the tunability of the thermoregulation properties of the nanofibers. Uniform nanofibers with thermal management functionality were obtained. It could be possible to obtain composite nanofibers showing thermoregulation ability over a wider temperature range by simultaneous addition of PCMs with different melting points into the nanofiber structure. 50 wt% PCM could be added to PAN nanofiber structure wherein the resulting nanofiber exhibited 58.74 J g−1 of enthalpy storage during heating and 57.41 J g−1 of heat release during cooling. The composite nanofibers maintained their cylindrical fiber morphology, structure and composition after multiple heating–cooling cycles and retained their thermal management functionality. The contact angle measurements showed that the addition of PCMs imparted hydrophobicity to the nanofibers.
format	article
author	Nuray Kizildag
author_facet	Nuray Kizildag
author_sort	Nuray Kizildag
title	Smart composite nanofiber mats with thermal management functionality
title_short	Smart composite nanofiber mats with thermal management functionality
title_full	Smart composite nanofiber mats with thermal management functionality
title_fullStr	Smart composite nanofiber mats with thermal management functionality
title_full_unstemmed	Smart composite nanofiber mats with thermal management functionality
title_sort	smart composite nanofiber mats with thermal management functionality
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/f891a7b4fbb54329b98b754d6b565cb1
work_keys_str_mv	AT nuraykizildag smartcompositenanofibermatswiththermalmanagementfunctionality
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Smart composite nanofiber mats with thermal management functionality

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