Multi-layer negative electrode comprising natural graphite and artificial graphite and lithium secondary battery comprising the same

Multi-layer negative electrode comprising natural graphite and artificial graphite and lithium secondary battery comprising the same

The present disclosure relates to a multilayer negative electrode comprising a negative electrode current collector configured to transfer electrons between an outer lead and a negative electrode active material, a first negative electrode mixture layer formed on one surface or both surfaces of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Koo, Chang Wan, Yang, Jung Min, Moon, Il Jae, Choi, Sang Hoon, Lee, Taek Soo
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:The present disclosure relates to a multilayer negative electrode comprising a negative electrode current collector configured to transfer electrons between an outer lead and a negative electrode active material, a first negative electrode mixture layer formed on one surface or both surfaces of the current collector and containing natural graphite as a negative electrode active material and a second negative electrode mixture layer formed on the first negative electrode mixture layer and containing artificial graphite as a negative electrode active material, and a lithium secondary battery including the same.