Preparation of NaF Microcapsules for High-Temperature Thermal Storage.

ABSTRACT: A novel NaF phase change microcapsule with a carbon shell (NaF@C microcapsule) was prepared by a simple approach. The carbon shell was synthesized by carbonization of a resole-type phenolic resin shell, which was encapsulated onto the surface of NaF particles by a simple phase separation process induced by tetraethoxysilane. Scanning electron microscopy, transmission electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, differential scanning calorimetry (DSC), and thermogravimetric analysis were used to characterize the morphology, composition, crystal phase, and thermal properties of the microcapsules. The size of the NaF@C microcapsule was 3-5 μm with a core-shell structure. DSC results showed that the melting point of the prep

SUBMITTER: Jiang Y 

PROVIDER: S-EPMC9301709 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature