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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 11545662 B1

PDFFull Text
Date of Patent:
Jan. 03, 2023

Filed:

Dec. 14, 2018

Positive active material for nonaqueous electrolyte secondary battery, method of producing positive active material for nonaqueous electrolyte secondary battery, positive electrode for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery

Applicant:

Gs Yuasa International Ltd., Kyoto, JP;

Inventors:

Daisuke Endo, Kyoto, JP;

Hiromasa Muramatsu, Kyoto, JP;

Assignee:

GS Yuasa International Ltd., Kyoto, JP;

Attorney:

Rankin, Hill & Clark LLP

Primary Examiner:

Carmen V Lyles-Irving

Int. Cl.
CPC ...
H01M 4/525 (2010.01); H01M 4/04 (2006.01); H01M 4/505 (2010.01); C01G 53/00 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); C01G 53/50 (2013.01); H01M 4/0471 (2013.01); H01M 4/505 (2013.01); H01M 10/0525 (2013.01); C01P 2002/72 (2013.01); C01P 2006/10 (2013.01); C01P 2006/40 (2013.01); H01M 2004/028 (2013.01);
Abstract

Disclosed is a positive active material for a nonaqueous electrolyte secondary battery containing a lithium transition metal composite oxide, in which the lithium transition metal composite oxide has an α-NaFeOstructure, a molar ratio Li/Me of Li and a transition metal (Me) of 1.05≤Li/Me≤1.4, and a porosity of 5 to 15%.

Find Patent Forward Citations

Endo, Daisuke. (2023). Positive active material for nonaqueous electrolyte secondary battery, method of producing positive active material for nonaqueous electrolyte secondary battery, positive electrode for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery (U.S. Patent No. 11545662). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11545662

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

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