Group14 Technologies, a manufacturer of silicon-anode battery technology, raised $463 million in a Series D funding, led by SK, with participation from existing investors. The new capital will be used to scale up production of Group14’s silicon battery material, SCC55, in both the U.S. and South Korea, aiming to tackle the growing global demand for energy storage solutions. In addition, Group14 has taken full ownership of its joint venture with SK Inc. in Sangju, South Korea.