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:
May. 03, 2022
Filed:
Apr. 05, 2018
Applicant:
Elkem Asa, Oslo, NO;
Inventors:
Assignee:
ELKEM ASA, Oslo, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 1/04 (2006.01); H01M 4/00 (2006.01); C01B 33/02 (2006.01); H01M 4/38 (2006.01); B02C 23/20 (2006.01); C01B 33/037 (2006.01); H01M 10/0525 (2010.01); B03B 5/62 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/386 (2013.01); B02C 23/20 (2013.01); C01B 33/037 (2013.01); H01B 1/04 (2013.01); H01M 10/0525 (2013.01); B03B 5/623 (2013.01); C01P 2004/61 (2013.01); C01P 2006/40 (2013.01); H01M 2004/027 (2013.01);
Abstract
The present invention relates to a silicon powder, where the size of the silicon powder particles are between 3 and 30 μm, a particle size fraction D10 of the silicon powder particles is between 3 and 9 μm, and where the silicon powder particles have no, or substantially no, silicon particles with a size smaller than D10 attached to the surface. The silicon powder according to the present invention is produced by wet classifying produced silicon powders.
Flatoy, Jarl Erik Morsund. (2022). Silicon powder for use in anodes for lithium-ion batteries and method for production of silicon powder (U.S. Patent No. 11322741). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11322741
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile