点击次数：

论文类型：期刊论文

发表时间：2018-06-01

发表刊物：POLYMERS

收录刊物：SCIE

卷号：10

期号：6

ISSN号：2073-4360

关键字：superparamagnetic Fe3O4 nanocluster; magnetothermal conversion; phase-change material; thermal energy management

摘要：Superparamagnetic materials have elicited increasing interest due to their high-efficiency magnetothermal conversion. However, it is difficult to effectively manage the magnetothermal energy due to the continuous magnetothermal effect at present. In this study, we designed and synthesized a novel Fe3O4/PEG/SiO2 composite phase change material (PCM) that can simultaneously realize magnetic-to-thermal conversion and thermal energy management because of outstanding thermal energy storage ability of PCM. The composite was fabricated by in situ doping of superparamagnetic Fe3O4 nanoclusters through a simple sol-gel method. The synthesized Fe3O4/PEG/SiO2 PCM exhibited good thermal stability, high phase change enthalpy, and excellent shape-stabilized property. This study provides an additional promising route for application of the magnetothermal effect.