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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 11945729 B1

PDFFull Text
Date of Patent:
Apr. 02, 2024

Filed:

Dec. 03, 2021

Positive electrode active material for non-aqueous electrolyte secondary battery comprising lithium transition metal complex oxide, and non-aqueous electrolyte secondary battery

Applicant:

Nichia Corporation, Anan, JP;

Inventors:

Hideki Yoshida, Tokushima, JP;

Masato Sonoo, Komatsushima, JP;

Takahiro Kitagawa, Tokushima, JP;

Assignee:

NICHIA CORPORATION, Anan, JP;

Attorney:

Hunton Andrews Kurth LLP

Primary Examiner:

Jonathan G Jelsma

Assistant Examiner:

Omar M Kekia

Int. Cl.
CPC ...
C01G 53/04 (2006.01); C01G 45/12 (2006.01); C01G 51/00 (2006.01); C01G 51/04 (2006.01); C01G 53/00 (2006.01); C30B 1/10 (2006.01); C30B 7/14 (2006.01); C30B 29/10 (2006.01); C30B 29/22 (2006.01); C30B 29/68 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/04 (2006.01); H01M 4/133 (2010.01); H01M 4/1391 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
C01G 53/04 (2013.01); C01G 45/1221 (2013.01); C01G 51/006 (2013.01); C01G 51/04 (2013.01); C01G 51/42 (2013.01); C01G 53/006 (2013.01); C01G 53/42 (2013.01); C01G 53/50 (2013.01); C30B 1/10 (2013.01); C30B 7/14 (2013.01); C30B 29/10 (2013.01); C30B 29/22 (2013.01); C30B 29/68 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); C01P 2002/54 (2013.01); C01P 2002/85 (2013.01); C01P 2004/03 (2013.01); C01P 2004/10 (2013.01); C01P 2004/20 (2013.01); C01P 2004/50 (2013.01); C01P 2004/61 (2013.01); C01P 2004/62 (2013.01); C01P 2006/40 (2013.01); H01M 4/0435 (2013.01); H01M 4/133 (2013.01); H01M 4/1391 (2013.01); H01M 10/0525 (2013.01);
Abstract

A method for producing a nickel cobalt complex hydroxide includes first crystallization of supplying a solution containing Ni, Co and Mn, a complex ion forming agent and a basic solution separately and simultaneously to one reaction vessel to obtain nickel cobalt complex hydroxide particles, and a second crystallization of, after the first crystallization, further supplying a solution containing nickel, cobalt, and manganese, a solution of a complex ion forming agent, a basic solution, and a solution containing said element M separately and simultaneously to the reaction vessel to crystallize a complex hydroxide particles containing nickel, cobalt, manganese and said element M on the nickel cobalt complex hydroxide particles crystallizing a complex hydroxide particles comprising Ni, Co, Mn and the element M on the nickel cobalt complex hydroxide particles.

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