We shall see. The Limiting Factor tore down a pre-production 4680 and it does contain Cobalt.
Also sounds like the Panasonic supplied 4680s will also use Cobalt.
Panasonic on Monday unveiled a new large prototype battery designed to help Tesla Inc lower electric vehicle (EV) production costs, in a move the Japanese company's battery chief said would deepen business ties with its key U.S. customer.
www.reuters.com
Cobalt-free for all batteries is the goal, but it doesn’t sound like they’re there quite yet.