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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 12145859 B1

PDFFull Text
Date of Patent:
Nov. 19, 2024

Filed:

Jul. 10, 2019

Positive electrode material and preparation method therefor, lithium ion battery and vehicle

Applicant:

Byd Company Limited, Guangdong, CN;

Inventors:

Dongjie Hu, Shenzhen, CN;

Hao Wei, Shenzhen, CN;

Assignee:

BYD COMPANY LIMITED, Shenzhen, CN;

Attorney:
Primary Examiner:

Yoshitoshi Takeuchi

Int. Cl.
CPC ...
H01M 4/131 (2010.01); C01G 53/00 (2006.01); H01M 4/136 (2010.01); H01M 4/36 (2006.01); H01M 4/38 (2006.01); H01M 4/505 (2010.01); H01M 4/52 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
C01G 53/56 (2013.01); H01M 4/366 (2013.01); H01M 4/38 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); C01P 2004/61 (2013.01); H01M 2004/021 (2013.01);
Abstract

A cathode material, a preparation method thereof, a lithium ion battery and a vehicle are provided. The cathode material comprises cathode material particles comprising a central area, and a surface layer area, wherein the central area comprises lithium oxide, and the surface layer area comprises lithium oxide and elemental sulfur, in which the lithium oxide comprises δLiNiCoXO·(1−δ)LiMO, where 0≤δ≤1, X comprises at least one selected from Mn, Al, Nb, and Fe, M comprises at least one selected from Mn, Al, Nb, Fe, Co, and Ni, 0≤m<1, and 0≤n<1.

Find Patent Forward Citations

Hu, Dongjie. (2024). Positive electrode material and preparation method therefor, lithium ion battery and vehicle (U.S. Patent No. 12145859). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12145859

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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