How long will the lithium supply last? As explored in this article, major changes to the battery sector will have to be made for decarbonization to become a reality, largely because of limitations on lithium supply
https://pv-magazine-usa.com/2020/09/16/how-long-will-the-lithium-supply-last/
Graphene Manufacturing Group (GMG.v GMGMF) is developing batteries that do not use lithium.
In fact, through GMG's proprietary graphene creation process, the graphene they use in their batteries does not even have to be mined.