Secondary battery

Disclosed is a secondary battery including a negative electrode, a positive electrode, and an electrolyte between the negative electrode and the positive electrode, wherein the negative electrode includes a negative electrode active material including: an Si-Fe based alloy core; a carbonaceous first...

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Bibliographische Detailangaben
Hauptverfasser:	Shin, Changsu, Jeong, Changui, Lee, Sora, Eom, Hyeri
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BASIC ELECTRIC ELEMENTS CHEMISTRY ELECTRICITY FERROUS OR NON-FERROUS ALLOYS METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	Disclosed is a secondary battery including a negative electrode, a positive electrode, and an electrolyte between the negative electrode and the positive electrode, wherein the negative electrode includes a negative electrode active material including: an Si-Fe based alloy core; a carbonaceous first coating layer disposed on the core; and a second coating layer which is disposed on the first coating layer and includes carbon nanotubes (CNTs) having an average length of about 1.0 nm to about 2.0 μm.