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Directional heat-conducting anisotropic porous silicon carbide ceramic skeleton, preparation method thereof and application of directional heat-conducting anisotropic porous silicon carbide ceramic skeleton in directional heat management composite phase change material
The invention relates to a porous silicon carbide ceramic skeleton with directional heat conduction and anisotropy, a preparation method of the porous silicon carbide ceramic skeleton and application of the porous silicon carbide ceramic skeleton in a directional heat management composite phase change material. The preparation method of the porous silicon carbide ceramic skeleton comprises the following steps: preparing slurry containing silicon carbide fibers, and pouring the slurry: infiltrating the prepared slurry under the induction of a multi-type driving guide laminar flow field, and pouring the slurry into a porous polyurethane mold; and sintering. By introducing the silicon carbide fibers and optimizing the preparation method, the directional heat conduction performance of the silicon carbide framework material is improved, the framework can be used for preparing a directional heat management composite phase change material, the heat conductivity of the composite phase change material in the directional heat transfer strengthening direction is greatly improved, and the phase change time is saved; the phase change temperature difference of the distributed solar single-tank energy storage system is reduced, and the energy storage rate is improved.
本发明涉及一种定向导热、各向异性的多孔碳化硅陶瓷骨架及其制备方法和在定向热管理复合相变材料中的应用。所述多孔碳化硅陶瓷骨架的制备方法，包括步骤：浆料配制，所述浆料中含有碳化硅纤维，浆料灌注：将配制好的浆料经由多型驱动引导层流流场诱导浸润并灌注于多孔聚氨酯模具中；烧结。本发明通过引入碳化硅纤维，优化制备方法，提高了碳化硅骨架材料的定向导热性能，该骨架可用于制备定向热管理复合相变材料，大大提高复合相变材料的定向传热强化方向的热导率，节约相变时间，减少分布式太阳能单罐储能系统的相变温差，提升其储能率。
Directional heat-conducting anisotropic porous silicon carbide ceramic skeleton, preparation method thereof and application of directional heat-conducting anisotropic porous silicon carbide ceramic skeleton in directional heat management composite phase change material
The invention relates to a porous silicon carbide ceramic skeleton with directional heat conduction and anisotropy, a preparation method of the porous silicon carbide ceramic skeleton and application of the porous silicon carbide ceramic skeleton in a directional heat management composite phase change material. The preparation method of the porous silicon carbide ceramic skeleton comprises the following steps: preparing slurry containing silicon carbide fibers, and pouring the slurry: infiltrating the prepared slurry under the induction of a multi-type driving guide laminar flow field, and pouring the slurry into a porous polyurethane mold; and sintering. By introducing the silicon carbide fibers and optimizing the preparation method, the directional heat conduction performance of the silicon carbide framework material is improved, the framework can be used for preparing a directional heat management composite phase change material, the heat conductivity of the composite phase change material in the directional heat transfer strengthening direction is greatly improved, and the phase change time is saved; the phase change temperature difference of the distributed solar single-tank energy storage system is reduced, and the energy storage rate is improved.
本发明涉及一种定向导热、各向异性的多孔碳化硅陶瓷骨架及其制备方法和在定向热管理复合相变材料中的应用。所述多孔碳化硅陶瓷骨架的制备方法，包括步骤：浆料配制，所述浆料中含有碳化硅纤维，浆料灌注：将配制好的浆料经由多型驱动引导层流流场诱导浸润并灌注于多孔聚氨酯模具中；烧结。本发明通过引入碳化硅纤维，优化制备方法，提高了碳化硅骨架材料的定向导热性能，该骨架可用于制备定向热管理复合相变材料，大大提高复合相变材料的定向传热强化方向的热导率，节约相变时间，减少分布式太阳能单罐储能系统的相变温差，提升其储能率。
Directional heat-conducting anisotropic porous silicon carbide ceramic skeleton, preparation method thereof and application of directional heat-conducting anisotropic porous silicon carbide ceramic skeleton in directional heat management composite phase change material
一种定向导热、各向异性的多孔碳化硅陶瓷骨架及其制备方法和在定向热管理复合相变材料中的应用
BAI PENGFEI (author) / LIANG SHAOYU (author) / CUI HE (author) / LI ZIKAI (author) / ZHANG HENG (author) / WANG ZIYANG (author) / XIAO BO (author)
2024-10-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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