Low-Cost Hyperelastic Fuller-Dome-Structured Nanocellulose Aerogels by Dual Templates for Personal Thermal Management
Article
Article Title | Low-Cost Hyperelastic Fuller-Dome-Structured Nanocellulose Aerogels by Dual Templates for Personal Thermal Management |
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ERA Journal ID | 4865 |
Article Category | Article |
Authors | Wang, Guang, Feng, Jiabing, Zhou, Zhezhe, Liu, Zheng, Wu, Jianpeng, Li, Jingchao, Gao, Qiang, Lynch, Mark, Li, Jianzhang and Song, Pingan |
Journal Title | Advanced Materials |
Article Number | 2414896 |
Year | 2024 |
Publisher | John Wiley & Sons |
Place of Publication | Germany |
ISSN | 0935-9648 |
1521-4095 | |
Digital Object Identifier (DOI) | https://doi.org/10.1002/adma.202414896 |
Web Address (URL) | https://advanced.onlinelibrary.wiley.com/doi/10.1002/adma.202414896 |
Abstract | It is critically important to maintain the body's thermal comfort for human beings in extremely cold environments. Cellulose nanofibers (CNF)-based aerogels represent a promising sustainable material for body's heat retention because of their renewability and low thermal conductivity. However, CNF-based aerogels often suffer high production costs due to expensive CNF, poor elasticity and/or unsatisfactory thermal insulation owing to improper microstructure design. Here, a facile dual-template strategy is reported to prepare a low-cost, hyperelastic, superhydrophobic Fuller-dome-structured CNF aerogel (CNF@PU) with low thermal conductivity. The combination of air template by foaming process and ice template enables the formation of a dome-like microstructure of CNF@PU aerogel, in which CNF serves as rope bars while inexpensive polyurethane (PU) acts as joints. The aerogel combines ultra-elasticity, low thermal conductivity (24 mW m−1 K−1), and low costs. The as-prepared CNF@PU aerogel demonstrates much better heat retention than commercial thermal retention fillers (e.g., Flannelette and goose down), promising its great commercial potential for massively producing warming garments. This work provides a facile approach for creating high-performance aerogels with tailored microstructure for effective personal thermal management. |
Keywords | It is critically important to maintain the body's thermal comfort for human beings in extremely cold environments. Cellulose nanofibers (CNF)-based aerogels represent a promising sustainable material for body's heat retention because of their renewabili |
Contains Sensitive Content | Does not contain sensitive content |
ANZSRC Field of Research 2020 | 401602. Composite and hybrid materials |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | Beijing Forestry University, China |
Jiaxing University, China | |
Centre for Future Materials | |
University of Science and Technology of China, Hefei, China | |
School of Agriculture and Environmental Science |
https://research.usq.edu.au/item/zqzz3/low-cost-hyperelastic-fuller-dome-structured-nanocellulose-aerogels-by-dual-templates-for-personal-thermal-management
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