General Motors and LG Energy Solution have announced plans to modify their Tennessee manufacturing facility to enable large-scale production of lithium-manganese-rich (LMR) battery cells. The initiative will be executed through Ultium Cells, the automaker’s dedicated battery joint venture.

The LMR architecture deliberately shifts away from conventional nickel-cobalt-manganese (NCM) designs by positioning manganese as the primary cathode component. This configuration significantly reduces nickel requirements while eliminating cobalt entirely, aiming to streamline raw material sourcing and lower production costs.

This chemical recalibration highlights expanding industrial demand for manganese within advanced energy storage systems. As major automakers restructure battery architectures to optimize cost and supply chain resilience, the Tennessee facility’s transition may reshape regional mineral procurement patterns and influence long-term cathode material valuation metrics.