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    Home » GM’s Final EV Battery Strategy Copies China’s Playbook: Super Cheap Cells
    Gear

    GM’s Final EV Battery Strategy Copies China’s Playbook: Super Cheap Cells

    News RoomBy News RoomJuly 15, 20253 Mins Read
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    General Motors has just announced its latest and likely final piece in what now appears to be a three-pronged cell-chemistry strategy to power GM’s lineup of a dozen EVs through the end of the decade and beyond.

    GM has stated today it will build low-cost lithium iron phosphate (LFP) battery cells in Spring Hill, Tennessee, starting in late 2027. Conversion of cell lines to produce that chemistry will begin later this year. The cell plant at the Spring Hill complex is owned and operated by Ultium Cells, GM’s joint-venture battery company with LG Energy Solution. A GM assembly plant in the same complex builds the Cadillac Lyriq and Acura ZDX electric SUVs.

    Under Kurt Kelty, GM vice president of battery, propulsion, and sustainability, the company has diversified from its previous strategy of “one cell for all EVs.” Kelty was hired in February 2024 after stints at Tesla and Panasonic, and is widely respected in the industry.

    The LFP cells made by Ultium are expected to be used in the updated 2026 Chevrolet Bolt EV, which GM should reveal within two to three months. It will go into production in a Kansas plant before the end this year. For its first two years, it will have to use LFP cells imported from another LG plant—potentially one in South Korea. Those imports let GM get inexpensive iron-phosphate batteries onto US roads a full three years before its next cell chemistry, called LMR, which it says costs no more than LFP, but has higher energy density.

    Still, converting a plant—at an unspecified cost—to build LFP cells suggests they will be used in the lineup for a while.

    LMR’s Future Promise

    Thus far, all GM EVs after the 2017-2023 Chevrolet Bolt EV have used nickel-manganese-cobalt-aluminum (NMCA) cells. Those hold the most energy in a given volume, but are also priciest due to their nickel and cobalt content. Delays in production of the Ultium modules holding those cells pushed out deliveries of GM’s EV lineup by 12 to 18 months, from late 2022 to early 2024. (GM EV sales have risen steadily for three quarters, suggesting those troubles might be in the past.)

    This May, Ultium announced a second cell chemistry, which it calls “lithium manganese-rich” or LMR. It claims the LMR chemistry provides one-third greater energy density than the same volume of lithium iron-phosphate (LFP) cells—at a comparable cell cost—and will cut the cost of its largest EV trucks and SUVs. Those vehicles from Cadillac, Chevrolet, and GMC use gargantuan battery packs of 109 to 205 kilowatt-hours.

    The first LMR cells will come off a pilot line in 2027; full volume production is slated for 2028 at a plant Ultium hasn’t disclosed. With Spring Hill now set to produce LFP cells, it seems likely LMR cells will come from the other Ultium Cells plant now in production—in Warren, Ohio.

    Compact Chemistry

    Adding lithium-iron-phosphate rounds out the suite of chemistries GM is likely to use in its EVs from this year through the early 2030s. That applies, at least, to those produced outside China; the various models it builds in China have long included LFP chemistries, the dominant chemistry in that country.

    Much of the intellectual property around LFP chemistries is owned by Chinese firms, which has caused trouble for Ford as it tries to add LFP cells for future EV models. A GM spokesperson told WIRED that no intellectual property for the LFP cells it will produce with partner LG Energy Solution is owned by any Chinese entity.

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