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:
Feb. 14, 2023
Filed:
Jul. 25, 2018
Applicant:
Wacker Chemie Ag, Munich, DE;
Inventors:
Dominik Jantke, Burghausen, DE;
Robert Maurer, Munich, DE;
Assignee:
Wacker Chemie AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 33/02 (2006.01); C09C 1/28 (2006.01); C09C 3/00 (2006.01); C09C 3/04 (2006.01); C09C 3/06 (2006.01); C09D 11/037 (2014.01); C09D 11/52 (2014.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
C09C 1/28 (2013.01); C01B 33/02 (2013.01); C09C 3/006 (2013.01); C09C 3/041 (2013.01); C09C 3/063 (2013.01); C09D 11/037 (2013.01); C09D 11/52 (2013.01); H01M 4/366 (2013.01); H01M 4/386 (2013.01); C01P 2002/80 (2013.01); C01P 2004/80 (2013.01); H01M 2004/027 (2013.01);
Abstract
Silicon particles with a reduced and/or delayed propensity to generate hydrogen gas by reaction with water in aqueous inks for preparing lithium ion battery anodes are prepared by milling silicon, preferably in an oxidative atmosphere, followed by heat treating at an elevated temperature in vacuum or an inert atmosphere.