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Molten-Salt Battery Freezes Energy Over a Whole Season

Cars That Think

While rechargeable batteries are the solution of choice for consumer-level use, they are impractical for grid-scale consideration. 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

They gradually lose capacity with each discharge and recharge cycle, and they can be fire hazards. 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). But Liu says residential customers don’t see demand charges.