General Motors needs a lot of cathode active materials (CAM) if it’s to reach its goal of making enough electric vehicles to become a completely carbon neutral company by 2040. How much is enough? How about 950,000 tons of the stuff.
GM now says it’s reached a deal with LG Chem, one of South Korea’s premier battery making firms, to lock down a supply of CAM starting later this year. CAM is basically what makes a battery a battery, consisting of components like processed nickel, lithium and other materials, and representing about 40 percent of the total cost of a battery cell.
The majority of EV battery cathodes are made with NCM — nickel, cobalt, and magnesium. Cobalt is a key component in…