Dual-scale encapsulation via Pickering emulsion microencapsulation in nanocellulose aerogel for thermal energy storage
5 affiliations
- 1Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
- 2Zhejiang Key Laboratory for Industrial Solid Waste Thermal Hydrolysis Technology and Intelligent Equipment, Huzhou Key Laboratory of Environmental Functional Materials and Pollution Control, Department of Materials Engineering, Huzhou University, Huzhou 313000, China; Corresponding authors.
- 3Institute of Micro/Nano Materials and Devices, Ningbo University of Technology, Ningbo 315211, China; Corresponding authors.
- 4Guangxi Key Laboratory for Polysaccharide Materials and Modifications, School of Chemistry and Chemical Engineering, Guangxi Minzu University, Nanning 530008, China
- 5Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China; Corresponding authors.
Abstract
This study reports a dual-scale encapsulation strategy using nanocellulose (CNF) to create high-performance, leakage-proof composite phase change materials. Bio-derived palmitic acid (PA) and lauric acid (LA) serve as the phase change materials and CNF acts as a green emulsifier. Pickering emulsion technology is employed to encapsulate them into microcapsules. These microcapsules are further embedded into an CNF aerogel skeleton via directional freeze-drying, resulting in a composite phase change material (PA/CNF) with a dual microcapsule-aerogel coating structure. Even with a high PA loading of 88.9% ( w ), the composite exhibits excellent shape stability and leakage resistance. After heating at 80 °C for 120 min, its leakage rate is only 0.03%. Its latent heat reaches 183 J/g, along with good thermal cycling stability and reversibility. Moreover, the material demonstrates remarkable thermal buffering and regulation capabilities, indicating great potential for thermal management applications. This work provides a novel and scalable green approach for developing high-performance composite phase change materials.
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BibTeX
@article{qin2026dualscale,
title = {{Dual-scale encapsulation via Pickering emulsion microencapsulation in nanocellulose aerogel for thermal energy storage}},
author = {Qin Qin and Bin He and Gaigai Duan and Weijun Li and Xiaoshuai Han and Mei Li and Shuijian He and Shaohua Jiang},
journal = {Journal of Bioresources and Bioproducts},
year = {2026},
month = oct,
doi = {10.1016/j.jobab.2026.100278},
url = {https://doi.org/10.1016/j.jobab.2026.100278},
note = {CC BY},
}
RIS
TY - JOUR
TI - Dual-scale encapsulation via Pickering emulsion microencapsulation in nanocellulose aerogel for thermal energy storage
AU - Qin Qin
AU - Bin He
AU - Gaigai Duan
AU - Weijun Li
AU - Xiaoshuai Han
AU - Mei Li
AU - Shuijian He
AU - Shaohua Jiang
PY - 2026
DA - 2026/10/25
JO - Journal of Bioresources and Bioproducts
DO - 10.1016/j.jobab.2026.100278
UR - https://doi.org/10.1016/j.jobab.2026.100278
AB - This study reports a dual-scale encapsulation strategy using nanocellulose (CNF) to create high-performance, leakage-proof composite phase change materials. Bio-derived palmitic acid (PA) and lauric acid (LA) serve as the phase change materials and CNF acts as a green emulsifier. Pickering emulsion technology is employed to encapsulate them into microcapsules. These microcapsules are further embedded into an CNF aerogel skeleton via directional freeze-drying, resulting in a composite phase change material (PA/CNF) with a dual microcapsule-aerogel coating structure. Even with a high PA loading of 88.9% ( w ), the composite exhibits excellent shape stability and leakage resistance. After heating at 80 °C for 120 min, its leakage rate is only 0.03%. Its latent heat reaches 183 J/g, along with good thermal cycling stability and reversibility. Moreover, the material demonstrates remarkable thermal buffering and regulation capabilities, indicating great potential for thermal management applications. This work provides a novel and scalable green approach for developing high-performance composite phase change materials.
SN - 2369-9698
ER -