Research progress of flat solar collecting-heat plates
Flat solar collectors have been widely used at home and abroad because of their low manufacturing cost,simple production process,convenient installation and maintenance and coupling integration with buildings.Solar collecting-heat plates are the key component of solar collectors.For nearly two decades,researchers have been innovating the manufacturing process of solar collecting-heat plates in order to achieve revolutionary breakthroughs and achieve the purpose of saving and replacing conventional energy.This paper analyzes the development status of solar collecting-heat plates from the aspects of production technology,heat collecting performance,service life and market use,analyzes the advantages and disadvantages of solar collecting-heat plates,and looks forward to the market prospect of solar collecting-heat plates.Porcelain aluminum composite solar plates have changed the core production method and coating preparation process,which have obvious advantages in cost,life and efficiency.By the combination of photovoltaic technology and photothermal technology,photovoltaic/photothermal integrated plates can simultaneously meet the needs of residential electricity and heat,and have more development potential in terms of market use.
solar collecting-heat plateceramic collecting-heat platesun absorptivitythermal stability
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