Hyundai to Invest $100 M in Solid-state Battery Developer Solid Energy Updated On Thu, Jul 8th, 2021 by Saurenergy Hyundai Motor Co, a South Korean automotive manufacturer of international repute, will invest USD 100 million in solid-state battery specialist Solid Energy System (SES) corporations, according to recent media reports. The company appears to have signed an equity investment agreement with SES. A spin-off from the Massachusetts Institute of Technology (MIT), Solid Energy has developed a prototype lithium metal […] Read more