Talking about your company having something to do with EV makes it rise
Avis up 100% after saying they were going to rent EVs. (No deal or anything with an EV company, just said something about it.) According to Karen Finerman.
Investors aren't allowed to short these things--the reddit crowd--they've been told not to. So these moves are left to just go up. Reportedly.
Nickel-based cathode has higher energy density for longrange vehicles, for Tesla
Standard-range vehicles and stationary storage will move to iron-based battery cathodes, Musk thinks. He thinks the majority of batteries in the future will be iron-based, so there won't be any shortage. It's just a question of making the equipment to process the iron into a cell and then into a pack.
Nickel isn't rare, but there's about 10-100x as much iron as nickel.
(Cobalt-based for phones and laptops.)
Lithium makes up about 2% or so of a battery cell, but lithium is also not rare (basically its a salt, and there's a little bit everywhere).