A method for recovering valuable metals from waste lithium secondary batteries

Provided is a method for recovering valuable metals from a waste lithium secondary battery, including the steps of: preparing a waste lithium secondary battery; reducing and heat-treating the waste lithium secondary battery; and leaching the reduced and heat-treated reactant with water to separate t...

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Bibliographische Detailangaben
Hauptverfasser:	BAE EUNOK, AHN TAEBUM, LIM YUJIN, KIM EUNYOUNG, KIM MINJUNG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRICITY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Provided is a method for recovering valuable metals from a waste lithium secondary battery, including the steps of: preparing a waste lithium secondary battery; reducing and heat-treating the waste lithium secondary battery; and leaching the reduced and heat-treated reactant with water to separate the same into a residue and a leachate, wherein the leachate includes lithium, manganese, and other impurities, and the residue includes nickel, cobalt, and other impurities. 폐리튬이차전지로부터 유가 금속을 회수하는 방법에 대한 것으로, 폐리튬이차전지를 준비하는 단계; 상기 폐리튬이차전지를 환원 열처리하는 단계; 상기 환원 열처리된 반응물을 수침출하여 잔사 및 침출액으로 분리하는 단계;를 포함하고, 상기 침출액은 리튬, 망간, 및 기타 불순물을 포함하고, 상기 잔사는 니켈, 코발트, 및 기타 불순물을 포함하는 것인 폐리튬이차전지로부터 유가 금속을 회수하는 방법을 제공한다.