Aqua Metals, Inc. announced it has filed a provisional patent for recovering high-value metals from recycled lithium-ion batteries. Early phase testing shows promise for applying AquaRefining methodology, used for plating ultra-high purity lead, to plating the metals found in lithium-ion batteries such as cobalt, nickel, manganese, and lithium. Provisional patents allow up to one year to gather data in support of a formal submission of the patent.