GM to announce second U.S. battery plant, in Tenn., with LG Chem, report says GM to announce second U.S. battery plant, in Tenn., with LG Chem, report says April 14, 2021 dzadmin Comments 0 Comment The plant will use a different, more cost-effective battery chemistry than the one the companies will offer from the joint-venture plant they are building in Ohio, Reuters reported.