NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE COMPRISING SAME, AND SECONDARY BATTERY COMPRISING SAME

NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE COMPRISING SAME, AND SECONDARY BATTERY COMPRISING SAME

Provided is a negative electrode active material which includes: a silicon-based core; and an outer coating layer formed on the silicon-based core and including polyimide, wherein the polyimide comprises a fluorine-containing imide unit.

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Bibliographische Detailangaben
Hauptverfasser: CHOI, Jung Hyun, LEE, Yong Ju, PARK, Hang Ah, SHIN, Sun Young, KIM, Je Young
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:Provided is a negative electrode active material which includes: a silicon-based core; and an outer coating layer formed on the silicon-based core and including polyimide, wherein the polyimide comprises a fluorine-containing imide unit.