Negative active material for rechargeable lithium battery and rechargeable lithium battery including same

Negative active material for rechargeable lithium battery and rechargeable lithium battery including same

Disclosed are a negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative active material includes: a silicon particle core comprising a silicon particle having a particle size in a micrometer range; an oxide layer having a thickn...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Youm, Chul
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:Disclosed are a negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The negative active material includes: a silicon particle core comprising a silicon particle having a particle size in a micrometer range; an oxide layer having a thickness in a range of about 65 nm to about 450 nm, on the silicon particle core; and a conductive layer on the oxide layer.