IDiyas

For the Inventor, By the Inventor

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.:

US 10333135 B1

PDFFull Text
Date of Patent:
Jun. 25, 2019

Filed:

Jul. 07, 2016

Cathode material for rechargeable solid state lithium ion battery

Applicants:

Umicore, Brussels, BE;

Umicore Korea Ltd., Chungnam, KR;

Inventors:

Jens Paulsen, Daejeon, KR;

Xin Xia, Cheonan, KR;

Song-Yi Han, Daejeon, KR;

Jing Zhang, Cheonan, KR;

Assignees:

UMICORE, Brussels, BE;

UMICORE KOREA LTD., Chungnam, KR;

Attorney:

NK Patent Law

Primary Examiner:

Brittany L Raymond

Int. Cl.
CPC ...
C01G 51/00 (2006.01); C01G 53/00 (2006.01); H01M 4/04 (2006.01); H01M 4/131 (2010.01); H01M 4/36 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); H01M 10/0562 (2010.01);
U.S. Cl.
CPC ...
H01M 4/131 (2013.01); C01G 51/42 (2013.01); C01G 53/50 (2013.01); H01M 4/0471 (2013.01); H01M 4/366 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); C01P 2002/50 (2013.01); C01P 2004/03 (2013.01); C01P 2004/51 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C01P 2004/84 (2013.01); C01P 2006/12 (2013.01); C01P 2006/40 (2013.01); H01M 10/0525 (2013.01); H01M 10/0562 (2013.01);
Abstract

A lithium transition metal oxide powder for a positive electrode material in a solid-state lithium ion battery, the powder consisting of particles having a core and a surface layer consisting of an inner and an outer layer, wherein the powder has a D50 between 35 and 60 μm, wherein the core has the general formula LiCoOwith 0.99<x<1.04 and wherein the inner surface layer comprises LiNiMnCoO, with 0<y<1, 0.3<a<0.8 and 0<b<0.3; and wherein the outer surface layer consists of discrete monolithic sub-micron sized particles having the general formula Li(NiMnCo)O, with 0≤z≤0.05, 0<m≤0.50 and 0<n≤0.70, preferably 0<n≤0.30.10

Find Patent Forward Citations

Loading…