کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6457443 | 1420664 | 2017 | 7 صفحه PDF | دانلود رایگان |
- Paraffin and stearic acid were successfully encapsulated with SiO2 shell.
- Interfacial hydrolysis and polycondensation technique was used.
- Influences using different core materials were determined.
Organic phase change materials (PCMs) have relatively high latent heat capacities, are stable, nontoxic, and not corrosive. Having such advantages, organic PCMs shall find applications in many more thermal energy storage (TES) systems. Currently their main handicap is finding a cost-effective, environmentally benign and compatible encapsulation method. This study uses SiO2, which is preferred in several biocompatible applications, as shell material to microencapsulate two different organic PCMs: Paraffin and Stearic acid. Nanocapsules of these PCMs with sizes in the range of 20-700Â nm were produced by in situ emulsion interfacial hydrolysis and polycondensation technique. The resulting microencapsulation ratios observed were 11% for paraffin (PA) and 23% for stearic acid (SA).
Journal: Solar Energy Materials and Solar Cells - Volume 159, January 2017, Pages 1-7