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Recently, a spray developed by scientists has allowed the wall to become a radiator. Researchers at the University of Nottingham, China, invented the technology. They developed a spray that absorbs heat during the day and slowly releases it when the temperature drops. This breakthrough technology will effectively reduce energy consumption and save a lot of money, and it is expected to effectively reduce indoor heating costs by 35%. It will be available for sale within the next two years. Currently, this spray is named "non-malformed energy storage change material (PCM)" and the source of heat is the excess heat emitted by the room.
When the room temperature reaches a certain level, the spray material will store additional heat, for example: a suitable room temperature of 22 degrees Celsius. It has ubiquitous applications, adapted to brick walls, and wallpaper on the inside of walls. In the laboratory of the Sustainable Energy Center at the University of Nottingham, UK, researchers have condensed the spray material into a large sheet of coins.
The study was completed in collaboration with Prof. Jo Darkwa and colleague Oliver Su. They said that the material works like a spray and forms a thin layer of microscopic material on the surface of the object. Above a certain temperature, the particles in the spray will melt, they do not form water droplets, but exist as a special coating. Afterwards, these substances will become solids and dissipate heat in the room.
Scientists believe that this spray material can be used to build new buildings and save energy effectively. At the same time, they stressed that this will significantly reduce carbon emissions. Professor Daqva said that the construction industry will generate more carbon emissions than other industries in the world, even more than aviation. In some developing countries, the construction industry is the highest energy consumption unit and emits a large amount of pollutants. If this material is widely used, it will significantly affect the world and help reduce carbon emissions.
However, this spray material does not eliminate air conditioning because people still need air conditioning to control humidity and air circulation. They can only reduce the amount of heat that is emitted inside the house. The research team believes that this material can be applied to solar panels and LED lighting in the future.
Currently, they are investigating which paints can be used with this spray material and have no effect on the environment. At the same time, they will also explore more green ways to effectively reduce the world's carbon emissions.
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