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. 26, 2024
Filed:
Nov. 13, 2018
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Kazuteru Umetsu, Tokyo, JP;
Keita Kusuzaka, Tokyo, JP;
Yuichiro Hirakawa, Tokyo, JP;
Nobuhiro Okada, Tokyo, JP;
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided is a positive electrode precursor having a positive electrode active material layer, wherein the mass proportion Aof a carbon material in the positive electrode active material layer accounts for 15-65 mass %, the mass proportion Aof a lithium transition metal oxide in the positive electrode active material layer accounts for 5-35 mass %, the mass proportion Aof an alkali metal compound in the positive electrode active material layer accounts for 10-50 mass %, A/Ais 0.10-2.00, A/Ais 0.50-3.00, and the positive electrode active material layer has a peel strength of 0.02-3.00 N/cm.