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.:
Date of Patent:
Jul. 15, 2025
Filed:
Oct. 20, 2022
Applicant:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Inventors:
Masumi Fukuda, Kyoto, JP;
Atsushi Ouki, Kyoto, JP;
Atsushi Nemoto, Kyoto, JP;
Takamasa Ono, Kyoto, JP;
Masaki Kuratsuka, Kyoto, JP;
Takashige Fujikawa, Kyoto, JP;
Ryuji Soeda, Kyoto, JP;
Sho Takahashi, Kyoto, JP;
Yoshihito Akiyama, Kyoto, JP;
Yosuke Kono, Kyoto, JP;
Shoichi Nishiyama, Kyoto, JP;
Takeo Asanuma, Kyoto, JP;
Shinji Hayazaki, Kyoto, JP;
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/525 (2010.01); H01M 4/485 (2010.01); H01M 4/505 (2010.01); H01M 10/0525 (2010.01); H01M 10/0568 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 10/0525 (2013.01); H01M 10/0568 (2013.01); H01M 2004/021 (2013.01); H01M 2004/028 (2013.01);
Abstract
A secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode includes a positive electrode active material layer. The positive electrode active material layer includes a lithium-nickel composite oxide of a layered rock-salt type.