Scientists plan to use the molecule to winter to summer stored energy.
Researchers from the Technical University of Chalmers (Sweden) spoke about the improvement of technologies able to preserve the heat of the sun in the molecule of isomer. This is the website of the University.
A year ago, scientists have unveiled a molecule based on carbon, hydrogen and nitrogen.
Upon exposure to sunlight it turned into isomers – molecules with the same chemical formula, but with the changed spatial arrangement of the atoms. They used it in the system, which is called molecular storage of solar energy (MOST – ed.). Throughout the year they worked to improve it.
First, scientists have altered the composition of the internal fluid, which previously consisted of highly flammable toluene. Without it, the design was safer. Second, it changed the design of the molecule, causing the increased period of storage of energy up to 18 years.
In order to free the imprisoned energy, liquid isomer must pass through the catalyst. The reaction increases the temperature of the liquid at 63 degrees Celsius. This means that if the initial temperature of the isomer was 20 degrees, then after the interaction with the catalyst it will increase to 83.
The authors suggest that MOST will stand on rooftops to absorb sunlight during the summer. Then, when comes the cold season, the owners can pass the isomer through the filter, and that, releasing heat for heating, and later returned to the store for a new intake of energy.
According to the head of research Kasper moth-Poulsen, this cyclic system can help to get rid of the sources of energy that pollute the atmosphere.
In the future, scientists expect to achieve a temperature rise of 110 degrees Celsius. In this scenario they are going to release the finished product in the next ten years.
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