Clean TalkEnvironmentInnovationsNewsProductsRenewable EnergySustainabilityTechnologyPolar Night Energy Begins Trial On World’s First Sand BatteryRoshanJuly 8, 2022July 7, 2022 by RoshanJuly 8, 2022July 7, 202202The sand battery is the brainchild of two Finnish engineers, Markku Ylönen and Tommi Eronen, who formed Polar Night Energy and have built their first...
