I think aluminum batteries are coming along nicely in that area of battery tech and they have a very large capacity. The problem with aluminum has always been h

I think aluminum batteries are coming along nicely in that area of battery tech and they have a very large capacity. The problem with aluminum has always been high energy costs to produce. So you can store the energy in the aluminum itself by using it to produce Aluminum for use in batteries. Aluminum battery stations could replace gas stations.