Solid state lithium battery cell with cathode Ken Norberg March 10, 2022 9 Views Solid-state lithium battery cell with cathode, anode and separator layer, typical of the battery type currently employed for electric vehicles. iStock/Black_Kira Solid-state lithium battery cell with cathode, anode and separator layer, typical of the battery type currently employed for electric vehicles. iStock/Black_Kira