Electrode assembly and lithium rechargeable battery comprising the same

Electrode assembly and lithium rechargeable battery comprising the same

In one aspect, an electrode assembly comprising a positive electrode, a negative electrode and a separator, wherein the positive electrode further comprises a first positive electrode active material layer, and a second positive electrode active material layer formed on one surface of the first posi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: BYUN INSEOP
Format: Patent
Sprache:eng
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:In one aspect, an electrode assembly comprising a positive electrode, a negative electrode and a separator, wherein the positive electrode further comprises a first positive electrode active material layer, and a second positive electrode active material layer formed on one surface of the first positive electrode active material layer, the first positive electrode active material layer further comprises a first positive electrode active material containing manganese (Mn), and the second positive electrode active material layer further comprises a second positive electrode active material containing cobalt (Co) and a lithium battery comprising the same are provided.