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:
Apr. 28, 2026
Filed:
Aug. 27, 2018
Mitsui Kinzoku Company, Limited, Tokyo, JP;
Tetsuya Mitsumoto, Takehara, JP;
Daisuke Washida, Ageo, JP;
Mitsui Kinzoku Company, Limited, Tokyo, JP;
Abstract
A positive electrode active substance for an all solid-state lithium secondary battery, wherein the surface of the present core particles composed of a lithium metal composite oxide having a layered structure containing Li, M element, where M includes at least one element or a combination of two or more elements selected from the group consisting of Ni, Co, Mn, and Al, and O is coated with an amorphous compound containing Li, A, where A represents one element or a combination of two or more elements selected from the group consisting of Ti, Zr, Ta, Nb, Zn, W, and Al, and O, and wherein the D50 is 0.5 to 11 μm, the value of (|mode diameter−D50|/mode diameter)×100 is 0 to 25%, the value of (|mode diameter−D10|/mode diameter)×100) is 20 to 58%, and the value of average primary particle diameter/D50 is 0.01 to 0.99.