METHOD FOR REGENERATING LITHIUM PRECURSOR AND SYSTEM FOR REGENERATING LITHIUM PRECURSOR

METHOD FOR REGENERATING LITHIUM PRECURSOR AND SYSTEM FOR REGENERATING LITHIUM PRECURSOR

In a method for recovering an active metal of a lithium secondary battery, an electrode active material mixture collected from a lithium secondary battery is prepared. The electrode active material mixture is reduced in a dry rotary heating reactor to form a preliminary precursor mixture. A lithium...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KOO, Min Su, KIM, Hong Sik
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM
DISPOSAL OF SOLID WASTE
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
PERFORMING OPERATIONS
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
RECLAMATION OF CONTAMINED SOIL SOIL
TRANSPORTING
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Beschreibung
Zusammenfassung:In a method for recovering an active metal of a lithium secondary battery, an electrode active material mixture collected from a lithium secondary battery is prepared. The electrode active material mixture is reduced in a dry rotary heating reactor to form a preliminary precursor mixture. A lithium precursor is selectively recovered from the preliminary precursor mixture. Recovery yield and selectivity can be improved using the dry rotary heating reactor.