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World’s first “sand battery”
July 11 , 2022
742 days
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- A battery that stores heat energy in sand has been installed in western Finland.
- Electricity from renewable sources is used to heat the sand to around 932°F.
- The heat energy then warms water that can be circulated around local buildings.
- It can store energy from sources that work intermittently, like wind and solar.
- It can hold renewable energy for up to months at a time.
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