METHOD FOR EXTRACTING LITHIUM FROM CATHODE MATERIAL IN WASTE LITHIUM IONS USING NEUTRAL AQUEOUS SOLUTION AND METHOD FOR SELECTIVELY EXTRACTING LITHIUM FROM CATHODE MATERIAL IN WASTE LITHIUM IONS USING CARBONATED WATER

The present invention relates to a method for extracting lithium from a cathode material in waste lithium ions, using a neutral aqueous solution, and a method for selectively extracting lithium from a cathode material in waste lithium ions, using carbonated water and, more specifically, to a method...

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Bibliographische Detailangaben
Hauptverfasser:	JUNG, Hae-sung, KIM, Seong-ryeong
Format:	Patent
Sprache:	eng ; fre ; 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:	The present invention relates to a method for extracting lithium from a cathode material in waste lithium ions, using a neutral aqueous solution, and a method for selectively extracting lithium from a cathode material in waste lithium ions, using carbonated water and, more specifically, to a method for extracting lithium from a cathode material in waste lithium ions, using a neutral aqueous solution, which is a method for extracting lithium from a cathode material of a waste lithium-ion battery, the method comprising: a step of pulverizing the cathode material of a waste lithium-ion battery; a step of preparing a neutral aqueous solution and mixing the pulverized cathode material with the neutral aqueous solution; and a step in which lithium ions extracted from the neutral aqueous solution are generated. La présente invention concerne un procédé d'extraction de lithium à partir d'un matériau de cathode dans des lithium-ions usagés, à l'aide d'une solution aqueuse neutre, et un procédé d'extraction sélective de lithium à partir d'un matériau de cathode dans des lithium-ions usagés, à l'aide d'eau gazeuse et, plus spécifiquement, un procédé d'extraction de lithium à partir d'un matériau de cathode dans des lithium-ions usagés, à l'aide d'une solution aqueuse neutre, qui est un procédé d'extraction de lithium à partir d'un matériau de cathode d'une batterie aux lithium-ions usagée, le procédé comprenant : une étape de pulvérisation du matériau de cathode d'une batterie aux lithium-ions usagée ; une étape de préparation d'une solution aqueuse neutre et de mélange du matériau de cathode pulvérisé avec la solution aqueuse neutre ; et une étape dans laquelle des ions lithium extraits de la solution aqueuse neutre sont générés. 본 발명은 중성수용액을 이용한 폐리튬이온 내 양극재에서의 리튬추출방법, 및 탄산수를 이용한 폐리튬이온 내 양극재로부터 리튬의 선택적 추출방법에 대한 것으로, 보다 상세하게는 폐리튬이온전지 양극재에서 리튬을 추출하는 방법으로서, 상기 폐리튬이온전지 양극재를 분쇄하는 단계; 중성수용액을 준비하고, 상기 중성수용액에 분쇄된 양극재를 혼합하는 단계; 및 상기 중성수용액에서 추출된 리튬이온이 발생되는 단계;를 포함하는 것을 특징으로 하는 중성수용액을 이용한 폐리튬이온 내 양극재에서의 리튬추출방법에 관한 것이다.