Nanoparticulate silicon carbide and electrode comprising nanoparticulate silicon carbide
OwnerLudwig Schletterinventor
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Abstract
The present invention relates to nanoparticulate stoichiometric doped or non-doped silicon carbide SiC in the form of secondary particles, which consist of agglomerates of SiC primary particles, wherein the primary particles have a particle size in the range of 40-100 nm and the secondary particles have an average size of 1-10 μm. Furthermore, the present invention relates to an anode of a secondary lithium-ion battery containing the SiC according to the invention and a secondary lithium-ion battery having this anode.
Claims18
A nanoparticulate silicon carbide SiC in the form of secondary particles, which consist of agglomerates of SiC primary particles, wherein the primary particles have an average particle size in the range of 30-100 nm and the secondary particles have an average particle size of 1-10 μm, and wherein a D90 value of the secondary particles is in the range of 8-10 μm, and wherein the SiC is present in a crystal structure comprising at least two of 6H-SiC, 4H-SiC and 15R-SiC as a mixture.
Dependencies are inferred from the claim text.