First Lithium Solid State Battery Produced by 3D Printing Start-up Sakuu. Bay Area start-up Sakuu Corporation has reached the first step in fulfilling its promise to 3D printing solid-state batteries (SSBs). The company has announced that it has produced a 3Ah lithium SSB that “equals or betters current lithium-ion batteries”. … More First Lithium Solid State Battery Produced by 3D Printing Start-up Sakuu