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:
Dec. 26, 2023
Filed:
Nov. 27, 2018
Sumitomo Metal Mining Co., Ltd., Tokyo, JP;
Kenji Tashiro, Ehime, JP;
Kentaro Sogabe, Ehime, JP;
SUMITOMO METAL MINING CO., LTD., Tokyo, JP;
Abstract
A positive electrode active material precursor for a non-aqueous electrolyte secondary battery, including-nickel composite hydroxide particles, is provided, wherein a cross section of each nickel composite hydroxide particle includes voids, and an average value of a ratio of an area of the voids in an area of each of the plurality of regions partitioned by predetermined boundary lines, is greater than or equal to 0.5% and less than or equal to 5.0%, and a standard deviation of the ratio of the area of the voids in the area of each of the plurality of regions partitioned by the predetermined boundary lines, is less than or equal to 1.0.