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

    Matt McGrath

    July 05, 2022 |

    BBC |

    Text |

    800-1500 Words

    Response Location: Finland, Kankaanpää

    A team of Finnish engineers havevinstalled the first commercial battery made of sand, which can store green energy in it for months. Solar panels or wind turbines generate electricity, which is then stored as heat in the sand battery. When needed, the battery can discharge hot air to heat up water which is then used to heat homes, offices, and a swimming pool. This solution may be difficult to scale, but it’s a low-cost storage idea that could be useful when it’s cold and energy is more expensive.

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