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.

Date of Patent:
Feb. 25, 2025

Filed:

May. 21, 2019
Applicant:

Microvast Power Systems Co., Ltd., Huzhou, CN;

Inventors:

Bryan Yonemoto, Clearwater, FL (US);

Xiao Zhang, Huzhou, CN;

Huijie Guo, Huzhou, CN;

Jianzhao Liu, Huzhou, CN;

Assignee:

MICROVAST ADVANCED MATERIALS INC., Lake Mary, FL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 53/00 (2006.01); H01M 4/04 (2006.01); H01M 4/1391 (2010.01); H01M 4/36 (2006.01); H01M 4/525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
C01G 53/006 (2013.01); H01M 4/0471 (2013.01); H01M 4/1391 (2013.01); H01M 4/366 (2013.01); H01M 4/525 (2013.01); C01P 2004/03 (2013.01); C01P 2004/84 (2013.01); H01M 2004/028 (2013.01);
Abstract

The invention relates to a method for preparing transitional-metal particles (cathode particle precursor) under a co-precipitation reaction. In this method, by feeding different types of anion compositions and/or cation compositions, and adjusting the pH to match with the species, precipitated particles are deposited to form a slurry, colleting the slurry, treating with water, and drying to get a cathode particle precursor. Mixing the cathode particle precursor with a lithium source and calcining to yield core-shell structured cathode active particles. Such cathode active particle can be used to prepare cathode of lithium-ion battery.


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