METHODS FOR RECOVERING VALUABLE METALS FROM USED SECONDARY BATTERIES

Abstract

This invention relates to a method for recovering valuable metals from used secondary batteries in accordance with the scheme of the invention, which includes a pretreatment procedure which pre-treats the used secondary battery, a melting procedure which heats the pre-treated used secondary battery to produce a molten solution, and a recovery procedure which recovers the valuable metals from the molten solution. In the melting procedure, a chlorinating agent is added, and in the recovery procedure, lithium is recovered in the form of lithium dust.