They are not the only battery storage technology available or at early stages of development. The CSIRO is also committed to a number of different projects including the Ultra Battery.
It’s worth a browse to get a better feel for the competing alternatives and their stage of development. These include batteries based on elements such as sodium, aluminium or other lithium free chemistry.
Household storage batteries or those used in Grid and Distributed battery solutions so not need to be as compact or light weight as EV batteries. This opens up the alternatives.
