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Title: PCM nanofibrous composites based on PEG/PVA incorporated by TiO2/Ag nanoparticles for thermal energy management
Journal: Journal of Applied Polymer Science
Author: 1. Sadaf Salimian, Abu Saeed Rashidi, 2. Majid Montazer, 2,4. Ali Bashiri Rezaie, 3. Neda Soleimani
Year: 2021
Address: 1. Department of Textile Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran 2. Department of Textile Engineering, Amirkabir University of Technology, Functional, Fibrous Structures & Environmental Enhancement (FFSEE), Tehran, Iran 3. Department of Microbiology and Microbial Biotechnology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran 4. Technische Universität Dresden, Faculty of Civil Engineering, Institute of Construction Materials, Dresden, Germany
Abstract: Herein, form-stable phase change material fibrous composite containing nanoparticles was prepared via a single-step green approach using singlenozzle electrospinning for the first time. Polyethylene glycol (PEG), polyvinyl alcohol (PVA), and water were used as PCM, polymeric support and safe solvent together with simultaneous formation of nanoparticles. The introduced manner not only is free from applying organic solvents, separate addition, or buying nanoparticles and coaxial electrospinning but also it is easy and costeffective to use for different applications. Thermal energy storage capacity of the fabricated samples reached to 135.88 and 136.27 J/g in melting process for the nanofibers and nanofibers with nanoparticles, respectively, which are mostly higher than the reported works. Meanwhile supercooling temperature was decreased for (50% PVA/50% PEG/0.1% AgNO3/1% TiO2) nanofibers compared to the other fabricated composites and the pure PEG. The effects of different weight ratio of polymers in spinning solutions, amount of titanium dioxide nanoparticles and silver nitrate, range of phase change transition and thermal endurance and stability of the samples were further discussed in details. Altogether, this renders a single-step safe route for producing formstable PCM nanofibrous composites and also a broad insight concerning the thermal behavior of such composites for diverse renewable energy applications.
Keywords: electrospinning, functionalization of polymers, synthesis and processing techniques, thermal properties
Application: Energy Storage
Product Model 1: Electroris
Product Model 2:
URL: #https://onlinelibrary.wiley.com/doi/abs/10.1002/app.51357#