TNPSC Thervupettagam

World’s first “sand battery”

July 11 , 2022 897 days 697 0
  • 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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