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:
Jun. 21, 2022
Filed:
Feb. 28, 2020
Applicant:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Inventors:
Asuki Yanagihara, Kyoto, JP;
Yosuke Hosoya, Kyoto, JP;
Yuki Niwata, Kyoto, JP;
Ravi Gehlot, Kyoto, JP;
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/525 (2010.01); C01G 51/00 (2006.01); C01G 53/00 (2006.01); H01M 4/131 (2010.01); H01M 4/36 (2006.01); H01M 4/485 (2010.01); H01M 4/505 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01); H01M 50/20 (2021.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); C01G 51/00 (2013.01); C01G 53/00 (2013.01); H01M 4/131 (2013.01); H01M 4/362 (2013.01); H01M 4/485 (2013.01); H01M 4/505 (2013.01); H01M 4/62 (2013.01); H01M 10/0525 (2013.01); H01M 50/20 (2021.01); C01P 2002/32 (2013.01);
Abstract
A positive electrode active material includes powder of composite particles including a lithium transition metal composite oxide having a lamellar rock-salt structure and a spinel phase. The spinel phase includes an oxide including lithium and at least a first element X1 selected from the group consisting of magnesium, aluminum, titanium, manganese, yttrium, zirconium, molybdenum, and tungsten, and the lithium transition metal composite oxide includes nickel or cobalt and the first element X1.