Molten salts/ceramic-foam matrix composites by melt infiltration method as energy storage material |
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Authors: | Jianfeng Wu Jian Li Xiaohong Xu Lanfang Yang Jufang Wu Fang Zhao Chuanguo Li |
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Affiliation: | (1) School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China |
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Abstract: | A new type of high temperature energy storage material was obtained through the melt infiltration method, using compounding SiC ceramic foam as matrix and Na2SO4 as phase change material. The resulting composite material was measured by XRD, SEM, TG-DSC methods. The experimental results indicate that the composite is composed of silicon carbide, sodium sulfate and square quartz, and no chemical reactions occurs between Na2SO4 and SiC matrix. Na2SO4 has a good bonding with the SiC ceramic foam matrix. As the composite material is characterized by high thermal energy storage density and high thermal conductivity, it is suit for energy storage under high temperature. Funded by the “863” Hi-Tech Research and Development Program of China (2008AA05Z418) |
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Keywords: | infiltration salt/ceramics SiC energy storage phase change materials ceramic foam |
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