LITHIUM SECONDARY BATTERY

Provided is a lithium secondary battery, and the lithium secondary battery of the present invention includes: a positive electrode including a first lithium-metal oxide including secondary particles formed by aggregating primary particles having a particle diameter of 2 μm or less and a second lithi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CHO, Yong Hyun, CHO, In Haeng, DO, Young Hoon, LEE, Yoon Ji
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	Provided is a lithium secondary battery, and the lithium secondary battery of the present invention includes: a positive electrode including a first lithium-metal oxide including secondary particles formed by aggregating primary particles having a particle diameter of 2 μm or less and a second lithium-metal oxide including nickel and at least one or more metals selected from the group consisting of manganese (Mn) and cobalt (Co) and including particles having a primary particle diameter of 2 μm or more; a negative electrode; a separator interposed between the positive electrode and the negative electrode; and an electrolyte, wherein the electrolyte includes a lithium salt, a nonaqueous organic solvent, and a difluorophosphite compound containing at least one or more difluorophosphite groups.