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:
Nov. 19, 2019
Filed:
Dec. 11, 2015
Umicore, Brussels, BE;
Showa Denko K.k., Tokyo, JP;
Stijn Put, Olmen, BE;
Dirk Van Genechten, Koersel, BE;
Kris Driesen, Hasselt, BE;
Jin Hu, Antwerp, BE;
Yvan Strauven, Neerpelt, BE;
Arihiro Muto, Kanagawa, JP;
Nobuaki Ishii, Kanagawa, JP;
Masataka Takeuchi, Kanagawa, JP;
UMICORE, Brussels, BE;
SHOWA DENKO K.K., Tokyo, JP;
Abstract
Composite powder for use in an anode of a lithium ion battery, whereby the particles of the composite powder comprise silicon-based domains in a matrix, whereby the individual silicon-based domains are either free silicon-based domains that are not or not completely embedded in the matrix or are fully embedded silicon-based domains that are completely surrounded by the matrix, whereby the percentage of free silicon-based domains is lower than or equal to 4 weight % of the total amount of Si in metallic or oxidized state in the composite powder.