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:
Jan. 13, 2026
Filed:
Dec. 17, 2021
Umicore, Brussels, BE;
Jens Martin Paulsen, Chungcheongnam-do, KR;
Shinichi Kumakura, Olen, BE;
Liang Zhu, Brussels, BE;
Jihye Kim, Chungcheongnam-do, KR;
Jihoon Kang, Chungcheongnam-do, KR;
Hyejeong Yang, Chungcheongnam-do, KR;
Yuri Lee, Chungcheongnam-do, KR;
UMICORE, Brussels, BE;
Abstract
A positive electrode active material for solid state rechargeable batteries, whereby the positive electrode active material is a powder which comprises Li, M', and O, wherein M′ consists of Co in a content x superior or equal to 2.0 mol % and inferior or equal to 35.0 mol %, Mn in a content y superior or equal to 0 mol % and inferior or equal to 35.0 mol %, A in a content m superior or equal to 0 mol % and inferior or equal to 5 mol %, whereby A comprises at least one element of the group consisting of: Al, Ba, B, Mg, Nb, Sr, Ti, W, S, Ca, Cr, Zn, V, Y, Si, and Zr, Ni in a content of 100-x-y-m mol %, a first compound which comprises LiWOand a second compound which comprises WO, whereby the powder is a single-crystalline powder, whereby the positive electrode active material comprises Li in a molar ratio of Li/(Co+Mn+Ni+A) of at least 0.9 and at most 1.1, whereby the positive electrode active material has a tap density which is at least 1.0 gr/cmand at most 3.0 g/cm.