Energy Storage System
[Battery Industry](https://texonom.com/battery-industry-7a8ce04ab842488590654f381e24c33a) 


## ESS
전력 비축 위한 고용량 배터리 시스템





> [The world's first operational 'sand battery' can store energy for months](https://interestingengineering.com/worlds-first-sand-battery)






