There are a bunch of other technologies as well. Huge flywheels [1], which are supposed to be used for very responsive power needs (i.e. grid stabilisation), trains loaded with weights which get pulled up a mountain and released [2], redox-flow batteries and so on.
[1]: https://www.energydigital.com/smart-energy/worlds-largest-fl... [2]: https://aresnorthamerica.com/