CORE-SHELL-COMPOSITE PARTICLES FOR ANODE MATERIALS OF LITHIUM-ION BATTERIES

CORE-SHELL-COMPOSITE PARTICLES FOR ANODE MATERIALS OF LITHIUM-ION BATTERIES

The invention relates to core-shell composite particles, wherein the shell is based on carbon and is nonporous and the core is a porous aggregate containing a plurality of silicon particles, carbon and optionally further components, where the silicon particles have average particle sizes (d50) of fr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Ay, Sefer, Maurer, Robert, Wegener, Jennifer, Stohrer, Jürgen
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:The invention relates to core-shell composite particles, wherein the shell is based on carbon and is nonporous and the core is a porous aggregate containing a plurality of silicon particles, carbon and optionally further components, where the silicon particles have average particle sizes (d50) of from 0.5 to 5 μm and are present in the core in a proportion of ≥80% by weight, based on the total weight of the core-shell composite particles.