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:
Mar. 19, 2024
Filed:
Oct. 02, 2018
Applicant:
Wacker Chemie Ag, Munich, DE;
Inventors:
Jürgen Pfeiffer, Mehring, DE;
Eckhard Hanelt, Geltendorf, DE;
Harald Hertlein, Burghausen, DE;
Karl Hesse, Burghausen, DE;
Robert Maurer, Munich, DE;
Assignee:
Wacker Chemie AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/38 (2006.01); B01J 8/24 (2006.01); C01B 33/03 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/386 (2013.01); B01J 8/24 (2013.01); C01B 33/03 (2013.01); H01M 10/0525 (2013.01); C01P 2004/51 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C01P 2006/12 (2013.01); C01P 2006/80 (2013.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01);
Abstract
An anode active material for lithium ion batteries includes one or more unaggregated silicon particles having a mass-based chlorine content of from 5 to 200 ppm and a volume-weighted particle size distribution having diameter percentiles dof from 0.5 μm to 10.0 μm.