Other Minerals:

"But it would be a mistake to focus only on lithium. There are several other raw materials in batteries and they each can create bottlenecks if not properly addressed."

Tesla Tried To Buy Lithium startup.....

How about Copper-Cobalt Opportunity....Liberty/Hay Mountain?

"Tesla has been signing supply contracts with a few potential new lithium sources and even reportedly tried to purchase a lithium startup. That’s something that can help the mining companies secure investments to exploit those new sources, but again lithium is not the primary issue."