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:
Oct. 04, 2022
Filed:
Aug. 21, 2018
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Youichirou Uka, Hyogo, JP;
Rie Matsuoka, Hyogo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/131 (2010.01); H01M 4/133 (2010.01); H01M 4/36 (2006.01); H01M 4/525 (2010.01); H01M 4/62 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/131 (2013.01); H01M 4/133 (2013.01); H01M 4/364 (2013.01); H01M 4/525 (2013.01); H01M 4/62 (2013.01); H01M 10/0525 (2013.01);
Abstract
A positive electrode includes a positive electrode current collector and a positive electrode mixture layer disposed on the current collector. The positive electrode mixture layer includes a lithium transition metal composite oxide containing 50 mol % or more Ni relative to the total number of moles of metal element or elements except Li, a conductive carbon material, and an adhesion improver capable of attaching to the lithium transition metal composite oxide and the carbon material. The adhesion improver contains a Lewis acidic group, a Lewis basic group, and an aromatic ring-containing hydrophobic group.