• 文献标题:   Fabrication and characterization of diethylene glycol hexadecyl ether-grafted graphene oxide as a form-stable phase change material
  • 文献类型:   Article
  • 作  者:   LIU HB, PEI DF, CHEN S, CAO RR, ZHANG XX
  • 作者关键词:   formstable phase change material, diethylene glycol hexadecyl ether, graphene oxide, esterification, energy storage
  • 出版物名称:   THERMOCHIMICA ACTA
  • ISSN:   0040-6031 EI 1872-762X
  • 通讯作者地址:   Tianjin Polytech Univ
  • 被引频次:   3
  • DOI:   10.1016/j.tca.2018.01.024
  • 出版年:   2018

▎ 摘  要

A novel form-stable phase change material (FSPCM), namely, diethylene glycol hexadecyl ether-grafted graphene oxide (E2C16-g-GO), was fabricated by an esterification reaction. As E2C16 was modified with GO for the first time, the optimal E2C16 and GO reactant ratio and reaction time were determined to be 6:1 and 6 h, respectively. The successful synthesis and chemical structure of E2C16-g-GO were confirmed by various spectroscopy and microscopy techniques. The thermal properties and stability of E2C16-g-GO were characterized by DSC and TGA. The melting and crystallization points of E2C16-g-GO are 43.3 degrees C and 29.4 degrees C, respectively. The latent heats of melting and crystallization are 70 and 72 J/g, respectively. The degradation temperature of E2C16-g-GO is approximately 20 degrees C higher than that of E2C16, indicating that it has good thermal stability. Furthermore, E2C16-g-GO exhibits good shape-stability and excellent thermal reliability and structural stability, indicating that it is a promising FSPCM for energy storage applications.