General Motors Co is taking a more direct role with South Korea's LG Corp (003550.KS), its longtime electric vehicle partner, in tracking down and fixing problems linked to battery fires in Chevrolet Bolts that threaten the strategic plans of both companies.
, its longtime electric vehicle partner, in tracking down and fixing problems linked to battery fires in Chevrolet Bolts that threaten the strategic plans of both companies.
GM has said early Bolt models will have their entire battery pack replaced, while newer models will have only defective modules within the pack replaced. Those new parts may not be available until after November. With resolution of the costly recall debacle still up in the air, relations between GM and LG have soured, people familiar with the situation said. The partners are stuck in what one Korean analyst deemed a "show window marriage," one in which a divorce is unlikely as few immediate alternatives are available.
On Friday, GM's Jacobson said the two companies are having "high level conversations" about costs, and that GM expects reimbursement. But following the latest Bolt recall in late August, Chief Executive Mary Barra left open the possibility that GM couldGM's Ultium cells have a different design, size and chemistry than the LG cells in the Bolt and are packaged into modules and packs in a different way.
LG's signature battery technology, a thin and flexible rectangular format called pouch cells, is one of three different battery types used in electric vehicles.Chief Executive Elon Musk took a jab at the GM-LG pouch cell technology in a recent tweet, writing that "probability of thermal runaway is dangerously high with large pouch cells. Tesla strongly recommends against their use." Tesla mainly uses cylindrical cells from several sources, including some made in China by LG.
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