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:
Jun. 16, 2026
Filed:
Dec. 14, 2021
Umicore, Brussels, BE;
Jihye Kim, Chungcheongnam-do, KR;
Jens Martin Paulsen, Chungcheongnam-do, KR;
Jeongyim Shin, Chungcheongnam-do, KR;
Maxime Blangero, Chungcheongnam-do, KR;
UMICORE, Brussels, BE;
Abstract
A positive electrode active material for batteries which comprises Li, M', and oxygen, wherein M′ comprises: Ni in a content a between 60.0 mol % and 75.0 mol %; Co in a content x between 0.0 mol % and 20.0 mol %; Mn in a content y between 0.0 mol % and 35.0 mol %, a dopant D in a content z between 0.0 mol % and 2.0 mol %, Al, B and W in a total content c between 0.1 mol % and 5.0 mol %, wherein the active material has an Al content Al, a B content B, and a W content W, wherein a, x, y, z, c, Al, Band Ware measured by ICP, wherein Al, Band W, wherein the positive electrode active material, when measured by XPS analysis, shows an average Al fraction Al, an average B fraction Band an average W fraction W, wherein Al/Al, B/B, and W/Ware all larger than 1.0, and wherein the positive electrode active material is a single crystalline powder.