The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 11, 2026
Filed:
Sep. 18, 2023
Applicant:
Umicore, Brussels, BE;
Inventors:
Jean-Sébastien Bridel, Olen, BE;
Kun Feng, Olen, BE;
Assignee:
UMICORE, Brussels, BE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C01B 32/05 (2017.01);
U.S. Cl.
CPC ...
C01B 32/05 (2017.08); C01P 2002/08 (2013.01); C01P 2002/82 (2013.01); C01P 2004/51 (2013.01); C01P 2004/61 (2013.01); C01P 2006/12 (2013.01); C01P 2006/40 (2013.01);
Abstract
A composite powder for use in a negative electrode of a battery comprising composite particles, said composite particles comprising a carbon matrix material and silicon-based particles embedded in said carbon matrix material, said composite powder having a Raman spectrum, wherein a D band and a D'band, both corresponding to the carbon matrix material contribution, have their respective maximum intensity Ibetween 1330 cmand 1360 cmand I' between 1600 cmand 1620 cm, wherein the ratio I/I′ is at least equal to 0.9 and at most equal to 4.0.