Researchers at Massachusetts Institute of Technology (MIT) have developed a new battery made partly from carbon dioxide captured from power plants.
About:
While still based on early-stage research and far from commercial deployment, this battery could continuously convert carbon dioxide into a solid mineral carbonate as it discharges.
The new battery formulation could help reduce the emission of the greenhouse gas into the atmosphere.
Working:
The battery is made from lithium metal, carbon and a novel electrolyte.
In lithium–carbon-dioxide batteries, which use the gas as a reactant during discharge, the low reactivity of carbon dioxide has typically required the use of metal catalysts. But these remain expensive and the reactions are difficult to control.
However, by incorporating the gas in a liquid state, researchers have found a way to achieve electrochemical carbon dioxide conversion using only a carbon electrode.
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