Journal
COMPOSITES COMMUNICATIONS
Volume 28, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.coco.2021.100980
Keywords
MXene aerogel; Solar-thermal conversation; Shape memory function; Self-healing effect
Categories
Funding
- National Natural Science Foundation of China [51803172, 51673159]
- Youth Science and Technology Innovation Team of Sichuan Province of Functional Polymer Composites [2021JDTD0009]
- Analytical and Testing Center of Southwest Jiaotong University
Ask authors/readers for more resources
A flexible water-borne polyurethane (WPU)/MXene aerogel was utilized as a supporting scaffold to confine polyethylene glycol (PEG) for the fabrication of photo-driven and flexible phase change material (PCM) composites. The resulting PCM composites showed excellent solar-thermal energy conversion and storage capability, as well as light-actuated shape memory and self-healing functions, due to the unique structure and properties of the materials used.
A flexible water-borne polyurethane (WPU)/MXene aerogel was applied as a supporting scaffold to confine polyethylene glycol (PEG) to fabricate photo-driven and flexible phase change material (PCM) composites. Firstly, the WPU@MXene aerogels with superior resilience were prepared via directional freeze-drying method. Secondly, the porous WPU@MXene aerogels were encapsulated with PEG by vacuum impregnation. The obtained WPU@MXene/PEG PCM composites possessed excellent dimension retention (98%@70 degrees C) along with high phase change enthalpy value (154.6 J g(-1)). Thanks to the three-dimensional interconnected structure and excellent photo absorption ability of MXene, the PCM composites showed superior solar-thermal energy conversion and storage capability. Additionally, combining the elasticity of the WPU@MXene aerogels and the solid liquid phase change of PEG ensured that the PCM composites realized excellent light-actuated shape memory and self-healing functions. This study enriches the way for developing flexible and multifunctional PCM composites, as well as shows enormous potential applications for the efficient utilization of solar energy.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available