Abstract: The carbonate-based constant-solid-stated composite phase change materials were prepared by mixed sintering process, the effects of addition ratio of carbonate and nano-adsorbent on the cyclic density of the composites were studied.The results show that the optimal ratio of carbonate and nano-adsorbent is 6∶1.6(mass ratio). The thermal cycle experiment indicates that the composites'density with different ratios tend to be stable after 5 cycles. The effects of different thermal conductive materials on the thermal conductivity of the composites were also investigated. We find that although graphite could greatly improve the thermal conductivity of the composites, the oxidation of graphite in the high-temperature cycle is difficult to control. Silicon carbide, on the other hand, can guarantee the long-term stability of the system, although the thermal conductivity is slightly lower.
王启扬, 杨波. 碳酸盐基常固态复合相变材料的制备与性能研究[J]. 材料导报, 2020, 34(Z1): 137-139.
WANG Qiyang, YANG Bo. Research on Preparation and Properties of Carbonate-based Constant-Solid-StatedComposite Phase Change Materials. Materials Reports, 2020, 34(Z1): 137-139.
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