It is a triple irony. The U.S. borrowed money from China to subsidize a battery company to compete with state-subsidized Chinese battery companies. The American company gets bought out by a Chinese company for about the same amount of money that the U.S. government gave it. The U.S. still has to pay the money back to China. The Chinese company buying the American company makes a lot of money by providing auto parts for the cars that Americans drive.
The story is here.