Climate change: 'Sand battery' could solve green energy's big problem

BBC · Matt McGrath · last updated July 4, 2022 – 10:21 PM

Finnish researchers have installed the world’s first fully working “sand battery” which can store green power for months at a time. The developers say this could solve the problem of year-round supply, a major issue for green energy.

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A key to the adoption of renewable energy is the development of economical ways to store energy, in the form of batteries or other technologies.

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