Active material, method of manufacturing active material, electrode, and secondary battery

A secondary battery includes a cathode, an anode including an active material, and non-aqueous electrolytic solution. The active material includes a center portion and a covering portion provided on part or all of the center portion. The center portion includes silicon, tin, or both as constituent e...

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Bibliographische Detailangaben
Hauptverfasser:	Kitada, Keitaro, Morozumi, Takeshi, Ohtaniuchi, Yuko, Kikkawa, Masahiro, Nagata, Yoshihide, Nagaoka, Nobuyuki, Munaoka, Takatoshi, Kanazawa, Aiko, Matsubara, Kenji
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:	A secondary battery includes a cathode, an anode including an active material, and non-aqueous electrolytic solution. The active material includes a center portion and a covering portion provided on part or all of the center portion. The center portion includes silicon, tin, or both as constituent elements. The covering portion includes a plurality of fibrous carbon materials. Part or all of the fibrous carbon materials extend in a direction along a surface of the center portion and are closely attached to the center portion.