LITHIUM SECONDARY BATTERY

The present invention relates to a lithium secondary battery, and the lithium secondary battery comprises: a positive electrode comprising a positive active material represented by Chemical Formula 1, a plate-like conductive agent, and a spherical conductive agent; a negative electrode comprising a...

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Bibliographische Detailangaben
Hauptverfasser:	PARK, Dohyung, CHA, Jungwook, LEE, Kunwoo, WON, Jungyeon, KIM, Dongjin, KIM, Eun Jung
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 relates to a lithium secondary battery, and the lithium secondary battery comprises: a positive electrode comprising a positive active material represented by Chemical Formula 1, a plate-like conductive agent, and a spherical conductive agent; a negative electrode comprising a negative active material; and an electrolyte, wherein the positive electrode has a W value defined by Equation 1 of 1.0 to 1.5. [Chemical Formula 1] LiNiCoMeOIn Chemical Formula 1, 0.9 ≤ a ≤ 1.1, 0.5 ≤ x ≤ 0.90, 0.05 ≤ y ≤ 0.5, 0.01 ≤ z ≤ 0.5, x + y + z =1, andMe is Mn or Al.