1,000 Kilometer 15-Year Batteries
https://cleantechnica.com/2020/11/24/elon-musk-shares-battery-vehicle-updates-at-european-conference-1000-kilometer-range-vehicle-under-development/
"“There are some proprietary methods by which the cathode is produced in the first place where we avoid a lot of the steps that are difficult to deal with environmentally. One of the things we are doing is we are reducing the, for example, cobalt content. So that avoids cobalt mining issues, so it would be pure nickel or almost pure nickel anode [Ed: Elon meant to say nickel cathode]."