Finland’s giant sand battery stores renewable energy for months using heat that could change the future

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FINLAND JUST TURNED SAND INTO A GIANT BATTERY

Forget lithium – Finland’s new battery is a 13-meter tower filled with 2,000 tons of sand.

It gulps down excess wind and solar energy, cranks the sand to 600°C, and holds that heat for months like it’s hoarding summer.

Cheap, low-tech, and built to last – this battery could outlive your phone… and your phone’s replacement.

Source:
@cleoabram

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