The world's first operational 'sand battery' can store energy for months
A team of researchers from Finland has set up the world's first commercial-scale 'sand battery' that be used to store power generated from renewable sources for months at a time to solve the problem of year-round supply, BBC reported. The push for renewable power has meant that researchers are looking for new ways to store energy over the long term.
https://interestingengineering.com/worlds-first-sand-battery
