Groove type solar medium-temperature selective absorption coating
A technology of trough solar energy and absorbing coatings, applied in solar thermal power generation, solar thermal devices, layered products, etc., can solve the problems of thermal efficiency decline, collector heat loss increase, infrared emissivity increase, etc., to achieve enhanced absorption Effect, reduction of work cost, effect of high absorption rate
Inactive Publication Date: 2012-10-10
SUZHOU JIAYAN ENERGY EQUIP
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Abstract
The invention relates to a groove type solar medium-temperature selective absorption coating, which sequentially comprises an infrared reflecting layer, a first absorption layer, a second absorption layer and an antireflection layer from the base to the surface. The raw materials of the coating are conventional materials, the groove type solar medium-temperature selective absorption coating is wide in application range, high in molding performance and low in price and can be processed into columnar targets, the target utilization rate is obviously improved, and the operating cost can be reduced further; and moreover, the groove type solar high-temperature selective absorption coating is suitable for solar thermal collector tubes with medium operating temperature.
Application Domain
Solar heat devicesMetal layered products +1
Technology Topic
Ir reflectionSolar thermal collector +5
Examples
- Experimental program(1)
Example Embodiment
PUM
Property | Measurement | Unit |
Thickness | 25.0 ~ 35.0 | nm |
Thickness | 50.0 ~ 100.0 | nm |
Thickness | 75.0 ~ 150.0 | nm |
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