NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERIES AND METHOD FOR PRODUCING SAME

Provided is a negative electrode active material for secondary batteries, comprising a composite material that includes: an active phase which reacts with Li; and an amorphous material phase, wherein the active phase is dispersed in the amorphous material phase, and the amorphous material phase incl...

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Bibliographische Detailangaben
Hauptverfasser:	SAKATA Motohiro, BADAR Saifullah
Format:	Patent
Sprache:	eng ; fre ; jpn
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS THEREOF ELECTRICITY INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS 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 for secondary batteries, comprising a composite material that includes: an active phase which reacts with Li; and an amorphous material phase, wherein the active phase is dispersed in the amorphous material phase, and the amorphous material phase includes Si, O, and C. L'invention concerne un matériau actif d'électrode négative pour batteries secondaires, comprenant un matériau composite qui comprend : une phase active qui réagit avec le Li ; et une phase de matériau amorphe, la phase active étant dispersée dans la phase de matériau amorphe, et la phase de matériau amorphe comprenant Si, O et C. Ｌｉと反応する活性相と、無定形材料相と、を含む複合材料を備え、前記活性相は、前記無定形材料相に分散しており、前記無定形材料相は、Ｓｉ、ＯおよびＣを含む、二次電池用負極活物質。