Posco Future M has signed a letter of intent with Hyundai Motor Group to explore a 100 billion won ($74.4 million) equity investment in its synthetic graphite anode materials project in Vietnam, the South Korean battery materials maker said Tuesday. Under the agreement, Hyundai Motor Group will consider taking a stake in the project and seek priority purchasing rights for its synthetic graphite anode materials. The companies also agreed to collaborate on early-stage product development and quali