SULFUR-BASED ACTIVE MATERIAL, ELECTRODE, LITHIUM-ION SECONDARY BATTERY, AND PRODUCING METHOD THEREOF

SULFUR-BASED ACTIVE MATERIAL, ELECTRODE, LITHIUM-ION SECONDARY BATTERY, AND PRODUCING METHOD THEREOF

Provided is a method of producing a sulfur-based active material, the method comprising the steps of: (1) mixing an acrylic resin, sulfur, and an iron compound comprising a divalent or trivalent iron ion to obtain a raw material; and (2) baking the raw material, characterized in that a volume energy...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHUJO, Fumiya, KUBO, Tatsuya
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
ELECTRICITY
INORGANIC CHEMISTRY
METALLURGY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:Provided is a method of producing a sulfur-based active material, the method comprising the steps of: (1) mixing an acrylic resin, sulfur, and an iron compound comprising a divalent or trivalent iron ion to obtain a raw material; and (2) baking the raw material, characterized in that a volume energy density is improved while maintaining a capacity retention rate of the active material that constitutes an electrode of a lithium-ion secondary battery.