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Molten-Salt Battery Freezes Energy Over a Whole Season

Cars That Think

As the pressure to decarbonize electricity grids mounts, so does the need to have long-term storage options for power generated from renewables. Scientists have been looking for solutions in gravity energy storage , thermal or geothermal storage , and also molten-salt batteries.

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Thermal Energy Storage Is No Longer Just Hot Air

Cars That Think

The bathtub is cheap for us, so when it comes to how much we can store, we can increase that capacity quite cheaply,” says Michael Simpson , the cofounder of Cheesecake Energy. Energy storage has two main factors—how fast it can be charged and discharged (the spigot) and how much total energy it can hold (the bathtub).