Passive cold and hot double-effect material
A passive, hot and cold technology used in passive energy utilization and materials to solve problems such as cooling and heating offsets, increased heat loads, and inability to function during heating seasons
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[0036] The technical solution of the present invention will be described in detail below with reference to the accompanying drawings.
[0037] Such as figure 1 As shown, a passive cold and heat duplex material of the embodiment of the present invention includes a selective emission layer 1 and a reflective layer 2 that are interconnected. The selective emission layer 1 achieves a double purpose of refrigeration and collection through the reversible change of the color. The reflective layer 2 is used to reflect the incident solar radiation.
[0038] The existing radiation refrigeration techniques and materials can only be applied to the refrigeration season and cannot work in the heating season and will increase the heat load in the heating season. To solve the offset problem of cooling and heating during the year, the passive cold and heat duplex material provided by the above embodiment includes a selective emission layer 1 and a reflective layer 2. In the refrigeration season: t...
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