LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY

LITHIUM SECONDARY BATTERY POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY

The present invention provides a lithium secondary battery positive electrode, wherein an electrode mixture layer that includes a positive electrode active material for a lithium secondary battery including secondary particles obtained by aggregating primary particles capable of being doped or de-do...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KAGEURA, Jun-ichi, KOBAYASHI, Ryota, NAKAO, Kimiyasu, KURITA, Hiroyuki
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:The present invention provides a lithium secondary battery positive electrode, wherein an electrode mixture layer that includes a positive electrode active material for a lithium secondary battery including secondary particles obtained by aggregating primary particles capable of being doped or de-doped with lithium ions being aggregated, a conductive material, and a binding agent and a current collector are laminated, and requirements (1) and (2) below are satisfied:(1) 180-degree peeling strength between the current collector and the electrode mixture layer is equal to or greater than 140 N/m; and(2) a BET specific surface area of the electrode mixture layer is equal to or greater than 4.0 m/g and equal to or less than 8.5 m/g.