POWDER, ELECTRODE AND BATTERY COMPRISING SUCH A POWDER

POWDER, ELECTRODE AND BATTERY COMPRISING SUCH A POWDER

Powder comprising particles comprising a matrix material and silicon-based domains dispersed in this matrix material, wherein the matrix material is carbon or a material that can be thermally decomposed to carbon, wherein the particles have a porosity of less than 20 volume %, wherein either part of...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAKEUCHI, Masataka, ISHII, Nobuaki, VAN GENECHTEN, Dirk, MARX, Nicolas, PUT, Stijn, GILLEIR, Jan, MUTO, Arihiro
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:Powder comprising particles comprising a matrix material and silicon-based domains dispersed in this matrix material, wherein the matrix material is carbon or a material that can be thermally decomposed to carbon, wherein the particles have a porosity of less than 20 volume %, wherein either part of the silicon-based domains are present in the form of agglomerates of silicon-based domains wherein at least 98% of these agglomerates have a maximum size of 1 µm or less, or the silicon-based domains are not at all agglomerated into agglomerates.