General Motors’ strategy to localize its electric vehicle supply chain in North America is showing results, as its manganese-rich battery technology has earned the 2025 “Battery Innovation of the Year” award in Detroit. The recognition comes shortly after China imposed new restrictions on rare-earth magnet exports, validating GM’s early efforts to reduce its dependence on foreign materials.
Developed over a decade in collaboration with South Korea’s LG Energy Solution, GM’s lithium-manganese-rich (LMR) battery technology is designed to deliver high energy density at lower costs compared to traditional lithium iron phosphate (LFP) or nickel-based batteries. The company plans to begin mass production of LMR batteries in 2027, with electric pickup trucks capable of 400 miles of range expected to arrive the following year.
According to GM’s vice president of Batteries and Electrification, Kurt Kelty, the LMR program represents “the culmination of 10 years of research” aimed at combining premium performance with affordability. He said the company’s multi-chemistry strategy — integrating high-nickel, LFP, and LMR technologies — would strengthen GM’s competitiveness in the North American market.
Manganese, a more abundant element than nickel or cobalt, allows for lower battery costs while maintaining strong performance metrics. GM’s LMR batteries can reportedly charge to full capacity without compromising long-term durability. The company’s approach mirrors broader industry trends, with competitors such as Tesla and CATL also exploring manganese-based chemistries as a balance between cost and range.
At the same time, GM’s early investment in domestic rare-earth magnet production has insulated it from recent policy shifts in China. Since 2021, the automaker has been developing a U.S.-based magnet supply chain, partnering with local manufacturers under long-term contracts. Two magnet production facilities are set to become operational by the end of the year, supplying GM and other key clients, including the U.S. Department of Defense. The company’s dual focus on battery innovation and supply chain independence positions it to play a central role in America’s growing EV manufacturing ecosystem.
Source: GM, The Wall Street Journal, The Elec