SAN FRANCISCO—Ford Motor Co.’s battery joint venture partner, Korea’s SK Innovation, expects the U.S. vehicle industry to face a battery supply shortage until 2025 because of the long lead times to build production facilities, top SK executives told Reuters. SK Innovation’s battery unit, SK On, is also considering developing lithium iron phosphate batteries (LFP), which have an advantage in cost and thermal stability despite a lower driving range, Kim Jun, chief executive of SK Innovation and Jee Dong-seob, CEO of SK On, said. Tight supplies of batteries—key to electric vehicles—pose a challenge to the Biden administration, which aims to boost EV production and reduce the country’s reliance on imports for battery cells, components and materials. “The current U.S. battery capacity is far short of meeting demand. Building a factory to meet demand requires a lead time of 30 months, and I see a battery shortage continuing at least until 2025,” …