Abstract
The performance of thermal insulation and solar-thermal conversion systems in modern building could be greatly improved by incorporation of phase change microcapsules (PCMs) into aerogels. In this study, a low-cost and high-performance phase change composited aerogels (PCCA) were successfully constructed by sol-gel method combined with ambient pressure drying procedure. The scanning electron microscope (SEM), transmission electron microscope (TEM) and N2 adsorption-desorption results showed that well-developed porous structure was retained when 40 wt% PCMs was added. Differential scanning calorimetry (DSC) revealed that the melting enthalpy and phase transition temperatures of PCCA were about 25.0 ℃ and 52.78 J/g, which was close to theoretical value. The infrared thermal images confirmed that PCCA had better thermal insulation and temperature control abilities than pure aerogels, thus the improved thermal performance make it a potential candidate to effectively use of solar energy in building application.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
