Constructional phase change energy storage plate and manufacturing method thereof

Abstract

The invention discloses a constructional phase change energy storage plate, consisting of an upper cover plate, a lower bottom plate and a phase change material, wherein the phase change material is a mixture of fatty acid and high carbon alcohols; the fatty acid is n-decylic acid, lauric acid, myristic acid, palmitic acid and stearic acid; the alcohols are dodecanol, tetradecanol, hexadecanol and octadecanol; and the mass percent of the fatty acid to the mass percent of the high carbon alcohols is 46.4%: 53.6% to 97.5%: 2.5%. With the adoption of the constructional phase change energy storage plate and a manufacturing method thereof, the problems such as damages to mechanical performances, environmental protection, safety and the like are fundamentally solved, and meanwhile, the risks existing in actual application are prevented; the constructional phase change energy storage plate is stable in structure; the phase change material is not easy to leak; no irritant gas overflows; the appearance is attractive; and therefore, besides application onto constructed walls, the constructional phase change energy storage plate also can be used as an interior decoration, a suspended ceiling and a laid floor board.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to a phase-change energy storage plate for buildings whose inner structure is phase-change material and outer surface is light and thin aluminum plate and a manufacturing method thereof. Background technique [0002] In the past three decades, with the rapid development of China's economy and the improvement of living standards, China's energy consumption has shown a trend of rapid growth. Moreover, with China's rapid urbanization and modernization, China's building energy consumption has also accelerated. According to statistics, the proportion of building energy consumption in total energy consumption has risen from 10% in 1978 to 30% today, and, according to the development law of western developed countries, building energy consumption will rise to more than 35%. Therefore, building energy consumption will become an important part of the total energy consumption of...

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Problems solved by technology

[0006] Although the combination of phase change materials and building materials has various advantages, it can be seen from the above statement that the current combination of phase change materials and buildings also has various disadvantages, especially the packaging form and the way of combining with buildings

In addition, the thermal conductivity of the phase change material itself is relatively poor, resulting in a slow phase change process, which affects the heat absorption and release rate, and will cause the phase change material to fail to fully complete the phase change process during the heat storage and release cycle, making the phase change The latent heat storage effect of the material cannot be maximized

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