New Solar Energy Storage System Developed by Chalmers University of Technology

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A team of researchers working for the Chalmers University of Technology in Sweden has made amazing progress in developing a molecule that will make it possible to store solar energy for later use.

Their research was presented about a year ago, as they had discovered a molecule which contained carbon, hydrogen, and nitrogen. This unique molecule has the capability of transforming into an energy-rich isomer when it is hit by sunlight. The isomer can than be stored for when energy is needed the most. The excess energy is stored in liquid form and is adapted for use in a solar energy system, which is currently being called MOST (Molecular Solar Energy Storage). Although their work only started a year ago the team has made some incredible progress towards completing their research.

“The energy in this isomer can now be stored for up to 18 years. And when we come to extract the energy and use it, we get a warmth increase which is greater than we dared hope for,” said the head of the research team, Kasper Moth-Poulsen, Professor at the Department of Chemistry and Chemical Engineering. (

The team has also made a catalyst that is used for controlling the release of the stored energy. This tool acts as a filter, which creates a reaction that warms the liquid by 63 degrees Celsius. On top of the warming feature, it also returns the molecule to its original form so that it can be reused later.

All of the research team’s recent advances have established MOST as a circular energy system. Initially, the liquid collects solar energy in a thermal container located on a roof. The stored energy is then kept at room temperature, which results in minimal energy losses. Finally, when the energy is needed, it is drawn through the catalyst to heat it up.

“We have made many crucial advances recently, and today we have an emissions-free energy system which works all year around,” says Kasper Moth-Poulsen. (

With the world currently looking for a multitude of ways to help clean the environment, this research could be the first step to emissions-free energy systems. While more work needs to be done to improve the energy extraction, it is not unrealistic to see this technology in use on the industrial level. Manufacturing Talk Radio will keep a close eye on the MOST system so be sure to keep checking back here at