METHOD OF RECYCLING USED SECONDARY BATTERY

To provide a method of recycling a used secondary battery, capable of efficiently recovering many valuable materials.SOLUTION: The method of recycling a used secondary battery comprises a molten salt immersion process of immersing a used secondary battery in a molten salt, a molten metal extraction...

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Bibliographische Detailangaben
Hauptverfasser:	KANEMURA SHOHEI, YAGYU MOTOSHIGE
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRICITY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY ORREFINING OF METALS 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:	To provide a method of recycling a used secondary battery, capable of efficiently recovering many valuable materials.SOLUTION: The method of recycling a used secondary battery comprises a molten salt immersion process of immersing a used secondary battery in a molten salt, a molten metal extraction process of extracting molten metal molten in the molten salt, and a molten salt electrolysis process of recovering an ion molten in the molten salt by way of molten salt electrolysis, the molten salt being a composition having a lower specific gravity relative to the molten metal.SELECTED DRAWING: Figure 1 【課題】効率良く多くの有価物を回収することのできる使用済み二次電池のリサイクル方法を提供する。【解決手段】使用済み二次電池のリサイクル方法であって、前記使用済み二次電池を溶融塩中に浸漬させる溶融塩浸漬工程と、前記溶融塩中で溶融した溶融金属を抜き取る溶融金属抜き取り工程と、前記溶融塩中に溶解したイオンを溶融塩電解で回収する溶融塩電解工程と、を具備し、前記溶融塩が、前記溶融金属よりも小さい比重の組成である。【選択図】図１