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City University of Hong Kong: New cooling ceramic can enhance energy efficiency for the construction sector and help...
New cooling ceramic can enhance energy efficiency for the construction sector and help combat global warming—CityU research10 NOV 2023
A significant breakthrough in developing a passive radiative cooling (PRC) material has been announced by researchers at City University of Hong Kong (CityU). The findings have just been published in the prestigious scientific journal Science titled “Hierarchically structured passive radiative cooling ceramic with high solar reflectivity.”
The material, known as cooling ceramic, has achieved high-performance optical properties for energy-free and refrigerant-free cooling generation. Its cost-effectiveness, durability and versatility make it highly suitable for commercialisation in numerous applications, particularly in building construction.
By reducing the thermal load of buildings and providing stable cooling performance, even in diverse weather conditions in all climates, cooling ceramic enhances energy efficiency and can combat global warming.
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“But our cooling ceramic achieves advanced optical properties and has robust applicability,” said Professor Tso. “The colour, weather resistance, mechanical robustness and ability to depress the Leidenfrost effect – a phenomenon that prevents heat transfer and makes liquid cooling on the hot surface ineffective – are key features ensuring the durable and versatile nature of the cooling ceramic.”
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http://dx.doi.org/10.1126/science.adi4725A significant breakthrough in developing a passive radiative cooling (PRC) material has been announced by researchers at City University of Hong Kong (CityU). The findings have just been published in the prestigious scientific journal Science titled “Hierarchically structured passive radiative cooling ceramic with high solar reflectivity.”
The material, known as cooling ceramic, has achieved high-performance optical properties for energy-free and refrigerant-free cooling generation. Its cost-effectiveness, durability and versatility make it highly suitable for commercialisation in numerous applications, particularly in building construction.
By reducing the thermal load of buildings and providing stable cooling performance, even in diverse weather conditions in all climates, cooling ceramic enhances energy efficiency and can combat global warming.
…
“But our cooling ceramic achieves advanced optical properties and has robust applicability,” said Professor Tso. “The colour, weather resistance, mechanical robustness and ability to depress the Leidenfrost effect – a phenomenon that prevents heat transfer and makes liquid cooling on the hot surface ineffective – are key features ensuring the durable and versatile nature of the cooling ceramic.”
…