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. 10, 2026
Filed:
Jul. 25, 2022
Nichia Corporation, Anan, JP;
Masato Sonoo, Anan, JP;
Masahiro Murayama, Tokushima, JP;
Kenichi Kobayashi, Tokushima, JP;
Hideaki Hamada, Anan, JP;
Jota Morimoto, Tokushima, JP;
NICHIA CORPORATION, Anan, JP;
Abstract
A method of producing a positive electrode for a non-aqueous electrolyte secondary battery, includes: providing a lithium transition metal composite oxide having a layered structure, having a ratio D/Dof 1 or more and 4 or less, and having a certain content of nickel and a certain content of cobalt; bringing the lithium transition metal composite oxide into contact with a cobalt compound to obtain an adhered material; heat-treating the adhered material at a temperature higher than 700° C. and lower than 1100° C. to obtain a heat-treated product; obtaining a positive electrode composition containing the heat-treated product, a conductive auxiliary agent, and a binder; and applying and pressurizing the positive electrode composition onto a collector to form an active material layer having a density of 2.7 g/cmor more and 3.9 g/cmor less on the collector.