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

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...

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Hauptverfasser: CHUJO, Fumiya, KUBO, Tatsuya
Format: Patent
Sprache:eng ; fre ; ger
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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.