From Michigan to Germany, the global car industry wants its Korean battery suppliers to bury the hatchet. At stake are the electric vehicles that will compete with Tesla, thousands of American jobs and even the Trump administration’s rivalry with China.
LG Chem and SK Innovation, the chemical subsidiaries of two of South Korea’s largest conglomerates, are currently slugging it out in the U.S. International Trade Commission in Washington. LGC accuses SKI of stealing trade secrets that won it big electric-vehicle battery contracts,...