SPHERICAL SIOC PARTICULATE ELECTRODE MATERIAL

SPHERICAL SIOC PARTICULATE ELECTRODE MATERIAL

The present invention relates to the use, as an electrode active material, of a particulate material comprising spherical silicon oxycarbide (SiOC) particles, said SiOC particles having an average particle size ranging from 0.1 to 100 µm; a sphericity ranging from 0.95 to 1.0; and a total content in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LAUNOIS, Sébastien, HAON, Cédric, KEIICHIRO, Kanao, YOSHIHITO, Takano, TETSURO, Kizaki
Format: Patent
Sprache:eng ; fre ; ger
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:The present invention relates to the use, as an electrode active material, of a particulate material comprising spherical silicon oxycarbide (SiOC) particles, said SiOC particles having an average particle size ranging from 0.1 to 100 µm; a sphericity ranging from 0.95 to 1.0; and a total content in carbon (C), silicon (Si) and oxygen (O) equal or greater than 98 wt%, with Si ranging from 20 to 50 wt%, C from 10 to 50 wt% and O from 20 to 50 wt%, and to a method for producing said particulate material.It also relates to an electrode active material, an electrode and a battery, especially a lithium-ion battery, including the aforementioned particulate material.