Scientist wants to use CO2 to generate clean electricity

© gereports.com
© gereports.com

Today solar and wind power becomes more and more commonplace, but there is still a basic problem that comes with these solutions, how do you store the energy produced to be used at a later time? Scientists at GE Global Research have decided to try and solve this problem by storing some of the heat generated by thermal solar power plants in carbon dioxide.

These power plants concentrate solar rays with vast fields of mirrors and use the heat to generate steam that spins a turbine. The carbon dioxide stored under ground is cooled to a solid dry ice state using excess grid power, and when extra electricity is needed, for instance during night, the heated salt then can be used to warm up the solid CO2 to a “supercritical” state between a gas and solid.

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