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FIN | Jul 6, 2022

Energy Crisis: New ‘Sand Battery’ is a major breakthrough solution

/ Our Today

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The biggest problem for green energy has always been how to store energy for year-round supply.

Now, Finnish researchers have created the world’s first fully working “sand battery” which can store green power for months at a time.

The main component of the device is low-grade sand, the type used by builders, which is stored in a silo. The device is charged up with heat made from cheap electricity which is generated by solar or wind.

SAND ABLE TO STORE HEAT AROUND 500C

The sand is able to store heat at around 500C, which can then warm homes in winter when energy is more expensive.

As Finland gets most of its gas from Russia, the war in Ukraine has made the issue of green power a priority.

Moscow recently stopped gas and electricity supplies to Finland after they decided to join NATO.

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