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. 16, 2021
Filed:
Nov. 20, 2018
Sumitomo Chemical Company, Limited, Tokyo, JP;
Tanaka Chemical Corporation, Fukui, JP;
Jun-ichi Kageura, Niihama, JP;
Ryota Kobayashi, Fukui, JP;
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
TANAKA CHEMICAL CORPORATION, Fukui, JP;
Abstract
A positive-electrode active material for a lithium secondary battery includes: a secondary particle in which a plurality of primary particles of a lithium composite metal oxide are aggregated, in which the secondary particle has a void formed therein, and a through-hole that connects the void to a surface of the secondary particle, and satisfies predetermined requirements (i) to (iii).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile