Making renewable power more viable for the grid

October 11, 2017

Wind and solar power are increasingly popular sources for renewable energy. But intermittency issues keep them from connecting widely to the U.S. grid: They require energy-storage systems that, at the cheapest, run about $100 per kilowatt hour and function only in certain locations.

Now MIT researchers have developed an “air-breathing” battery that could store electricity for very long durations for about one-fifth the cost of current technologies, with minimal location restraints and zero emissions. The battery could be used to make sporadic renewable power a more reliable source of electricity for the grid.

MIT researchers have developed an “air-breathing” battery that could store electricity for very long durations for about a third the price of current technologies, with minimal location restraints and zero emissions.

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