Leakage-free porous cellulose-based phase change cryogels for sound and thermal insulation

Wendy T. Le; Ari Kankkunen; Orlando J. Rojas; Maryam R. Yazdani

doi:10.1016/j.solmat.2023.112337

Leakage-free porous cellulose-based phase change cryogels for sound and thermal insulation

Wendy T. Le, Ari Kankkunen, Orlando J. Rojas^*, Maryam R. Yazdani^*

^*Corresponding author for this work

University of British Columbia

Research output: Contribution to journal › Article › Scientific › peer-review

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Abstract

Leakage-free phase change materials (PCM) are used as passive energy storage systems that thermoregulate indoor environments. In this research, we synthesized highly porous hybrid materials based on non-covalent physical interactions between (poly)ethylene glycol (PEG) and modified cellulose nanofibrils (CNF), namely lignin-containing CNF (LCNF) or acetylated CNF (ACNF). The PEG/CNF hybrid, termed phase change nanohybrids (PCN), were ultra-lightweight (0.022–0.043 g/cm³), mechanically resilient, and displayed a high latent energy storage, up to 204 J/g. The PCN systems (specific heat capacity as high as 2.24 J/g K) were effective in thermal regulating 2.23 °C with a 1 mm thickness coverage while maintaining thermal stability. The PCN also demonstrated favorable thermal management under excess solar heating, providing 33.5 °C of insulative protection with a 1.5 cm thick system. The PCNs have exceptional acoustic absorbance (100% absorbance for 1600 Hz and 50% at lower frequencies, 500 Hz). Trace metal oxide (TiO₂) nanoparticles improved the PCN thermoregulating abilities, revealing desirable opportunities in multi-functional applications. Our biobased PCN is a promising insulation and passive energy storage alternative for thermal protection in smart building, electronic, packaging, energy storage system and aerospace sectors.

Original language	English
Article number	112337
Number of pages	11
Journal	Solar Energy Materials and Solar Cells
Volume	256
Early online date	27 Apr 2023
DOIs	https://doi.org/10.1016/j.solmat.2023.112337
Publication status	Published - 1 Jul 2023
MoE publication type	A1 Journal article-refereed

Keywords

Acoustic absorbance
Cellulose nanofibril
Insulation
Latent heat storage
Phase change material
Thermoregulation

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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title = "Leakage-free porous cellulose-based phase change cryogels for sound and thermal insulation",

abstract = "Leakage-free phase change materials (PCM) are used as passive energy storage systems that thermoregulate indoor environments. In this research, we synthesized highly porous hybrid materials based on non-covalent physical interactions between (poly)ethylene glycol (PEG) and modified cellulose nanofibrils (CNF), namely lignin-containing CNF (LCNF) or acetylated CNF (ACNF). The PEG/CNF hybrid, termed phase change nanohybrids (PCN), were ultra-lightweight (0.022–0.043 g/cm3), mechanically resilient, and displayed a high latent energy storage, up to 204 J/g. The PCN systems (specific heat capacity as high as 2.24 J/g K) were effective in thermal regulating 2.23 °C with a 1 mm thickness coverage while maintaining thermal stability. The PCN also demonstrated favorable thermal management under excess solar heating, providing 33.5 °C of insulative protection with a 1.5 cm thick system. The PCNs have exceptional acoustic absorbance (100% absorbance for 1600 Hz and 50% at lower frequencies, 500 Hz). Trace metal oxide (TiO2) nanoparticles improved the PCN thermoregulating abilities, revealing desirable opportunities in multi-functional applications. Our biobased PCN is a promising insulation and passive energy storage alternative for thermal protection in smart building, electronic, packaging, energy storage system and aerospace sectors.",

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author = "Le, {Wendy T.} and Ari Kankkunen and Rojas, {Orlando J.} and Yazdani, {Maryam R.}",

note = "Funding Information: This research received funding from the Academy of Finland ( 343192 ), Business Finland ( 7428/31/2022 , PCMI project) the Canada Excellence Research Chair Program ( CERC-2018-00006 ) and Canada Foundation for Innovation (Project number 38623 ). The authors thank Monireh Imani for the preparation of lignin containing cellulose, Jose M. Cucharero (Lumir OY) for impedance measurements, Ayako Takagi for graphics, and Ari Sepp{\"a}l{\"a} for thermal conductivity measurement. This research utilized OtaNano Nanomicroscopy Center (NMC) and Bioeconomy and RawMatters research infrastructures. Publisher Copyright: {\textcopyright} 2023 The Authors",

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AU - Yazdani, Maryam R.

N1 - Funding Information: This research received funding from the Academy of Finland ( 343192 ), Business Finland ( 7428/31/2022 , PCMI project) the Canada Excellence Research Chair Program ( CERC-2018-00006 ) and Canada Foundation for Innovation (Project number 38623 ). The authors thank Monireh Imani for the preparation of lignin containing cellulose, Jose M. Cucharero (Lumir OY) for impedance measurements, Ayako Takagi for graphics, and Ari Seppälä for thermal conductivity measurement. This research utilized OtaNano Nanomicroscopy Center (NMC) and Bioeconomy and RawMatters research infrastructures. Publisher Copyright: © 2023 The Authors

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N2 - Leakage-free phase change materials (PCM) are used as passive energy storage systems that thermoregulate indoor environments. In this research, we synthesized highly porous hybrid materials based on non-covalent physical interactions between (poly)ethylene glycol (PEG) and modified cellulose nanofibrils (CNF), namely lignin-containing CNF (LCNF) or acetylated CNF (ACNF). The PEG/CNF hybrid, termed phase change nanohybrids (PCN), were ultra-lightweight (0.022–0.043 g/cm3), mechanically resilient, and displayed a high latent energy storage, up to 204 J/g. The PCN systems (specific heat capacity as high as 2.24 J/g K) were effective in thermal regulating 2.23 °C with a 1 mm thickness coverage while maintaining thermal stability. The PCN also demonstrated favorable thermal management under excess solar heating, providing 33.5 °C of insulative protection with a 1.5 cm thick system. The PCNs have exceptional acoustic absorbance (100% absorbance for 1600 Hz and 50% at lower frequencies, 500 Hz). Trace metal oxide (TiO2) nanoparticles improved the PCN thermoregulating abilities, revealing desirable opportunities in multi-functional applications. Our biobased PCN is a promising insulation and passive energy storage alternative for thermal protection in smart building, electronic, packaging, energy storage system and aerospace sectors.

AB - Leakage-free phase change materials (PCM) are used as passive energy storage systems that thermoregulate indoor environments. In this research, we synthesized highly porous hybrid materials based on non-covalent physical interactions between (poly)ethylene glycol (PEG) and modified cellulose nanofibrils (CNF), namely lignin-containing CNF (LCNF) or acetylated CNF (ACNF). The PEG/CNF hybrid, termed phase change nanohybrids (PCN), were ultra-lightweight (0.022–0.043 g/cm3), mechanically resilient, and displayed a high latent energy storage, up to 204 J/g. The PCN systems (specific heat capacity as high as 2.24 J/g K) were effective in thermal regulating 2.23 °C with a 1 mm thickness coverage while maintaining thermal stability. The PCN also demonstrated favorable thermal management under excess solar heating, providing 33.5 °C of insulative protection with a 1.5 cm thick system. The PCNs have exceptional acoustic absorbance (100% absorbance for 1600 Hz and 50% at lower frequencies, 500 Hz). Trace metal oxide (TiO2) nanoparticles improved the PCN thermoregulating abilities, revealing desirable opportunities in multi-functional applications. Our biobased PCN is a promising insulation and passive energy storage alternative for thermal protection in smart building, electronic, packaging, energy storage system and aerospace sectors.

KW - Acoustic absorbance

KW - Cellulose nanofibril

KW - Insulation

KW - Latent heat storage

KW - Phase change material

KW - Thermoregulation

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DO - 10.1016/j.solmat.2023.112337

M3 - Article

AN - SCOPUS:85153482989

SN - 0927-0248

VL - 256

JO - Solar Energy Materials and Solar Cells

JF - Solar Energy Materials and Solar Cells

M1 - 112337

ER -

Leakage-free porous cellulose-based phase change cryogels for sound and thermal insulation

Abstract

Keywords

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