Lithium-metal battery supplier SES said Tuesday it is going public by merging with special purpose acquisition corporation Ivanhoe Capital Acquisition Corp. in a deal with an implied equity value of about $3.6 billion, including a $300 million earn-out. The deal is expected to give SES, a supplier for electric vehicles, up to $476 million in gross proceeds to fund its growth plans, including a $200 million private investment in public equity, or PIPE, from investors that include General Motors , Hyundai Motor Company , Geely Holding Group , Kia Corporation , and SAIC Motor Corp. .