High Performance Shape-Stabilized Phase Change Material with Nanoflower-Like Wrinkled Mesoporous Silica Encapsulating Polyethylene Glycol: Preparation and Thermal Properties
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Preparation of NFMS
2.3. Preparation of PEG/NFMS
2.4. Characterization
3. Results and Discussion
3.1. Characterization of the NFMS and PEG/NFMS
3.2. Crystallization Properties of PEG, NFMS, and PEG/NFMS
3.3. Chemical Properties of Pure PEG, NFMS, and PEG/NFMS
3.4. Leakage Test of PEG/NFMS
3.5. Thermal Properties of PEG and PEG/NFMS
3.6. Thermal Stability of Pure PEG and 80 w% PEG/NFMS
3.7. Undercooling of PEG and NFMS
3.8. Percentage of Heat Loss
4. Conclusions
Author Contributions
Acknowledgments
Conflicts of Interest
References
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Samples | PEG Content | Melting | Crystallization | ||||
---|---|---|---|---|---|---|---|
Tmp (°C ) | Tm (°C ) | Hm (J/g) | Tcp (°C ) | Tc (°C ) | Hc (J/g) | ||
PEG | 100% | 63.1 | 53.8 | 202.1 | 35.7 | 42.6 | 186.4 |
PEG/NFMS | 60% | 59.1 | 51.1 | 84.7 | 34.5 | 41.5 | 80.2 |
PEG/NFMS | 70% | 60.0 | 49.8 | 97.0 | 31.4 | 39.4 | 96.1 |
PEG/NFMS | 80% | 60.9 | 50.8 | 136.8 | 35.2 | 41.0 | 132.8 |
PCMs | PEG | Melting | Crystallization | Reference | ||
---|---|---|---|---|---|---|
Content | Tm (°C) | Hm (J/g) | Tc (°C) | Hc (J/g) | ||
PEG/NFMS | 80% | 50.80 | 136.60 | 41.00 | 132.60 | Present study |
SA/TAMSN | 70% | 71.50 | 108.80 | 64.00 | 114.10 | Chen et al. [1] |
PEG/RMS | 80% | 57.22 | 129.60 | 39.02 | 118.30 | Min et al. [7] |
PEG6000/CNIC | 60% | 43.80 | 45.80 | 12.00 | 42.70 | Feng et al. [9] |
PEG/AC | 80% | 49.00 | 81.30 | 27.80 | 72.80 | Feng et al. [11] |
PEG/SiO2 | 79.3% | 58.09 | 151.80 | 42.34 | 141.00 | Qian et al. [28] |
c-PCMP4 | 85.36% | 56.50 | 159.70 | 37.90 | 155.60 | Zhao et al. [29] |
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Gao, J.; Tao, W.; Chen, D.; Guo, X.; Chen, Y.; Jiang, Y. High Performance Shape-Stabilized Phase Change Material with Nanoflower-Like Wrinkled Mesoporous Silica Encapsulating Polyethylene Glycol: Preparation and Thermal Properties. Nanomaterials 2018, 8, 385. https://doi.org/10.3390/nano8060385
Gao J, Tao W, Chen D, Guo X, Chen Y, Jiang Y. High Performance Shape-Stabilized Phase Change Material with Nanoflower-Like Wrinkled Mesoporous Silica Encapsulating Polyethylene Glycol: Preparation and Thermal Properties. Nanomaterials. 2018; 8(6):385. https://doi.org/10.3390/nano8060385
Chicago/Turabian StyleGao, Junkai, Wenwen Tao, Dian Chen, Xiuwang Guo, Yan Chen, and Yanjun Jiang. 2018. "High Performance Shape-Stabilized Phase Change Material with Nanoflower-Like Wrinkled Mesoporous Silica Encapsulating Polyethylene Glycol: Preparation and Thermal Properties" Nanomaterials 8, no. 6: 385. https://doi.org/10.3390/nano8060385