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. 04, 2023
Filed:
Dec. 14, 2018
Applicant:
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Inventors:
Natsumi Goto, Hyogo, JP;
Masanori Sugimori, Hyogo, JP;
Yasunori Baba, Hyogo, JP;
Katsunori Yanagida, Hyogo, JP;
Nobuhiro Hirano, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2010.01); H01M 50/414 (2021.01); H01M 50/457 (2021.01); H01M 50/46 (2021.01); H01M 10/0525 (2010.01); H01M 50/451 (2021.01); H01M 50/443 (2021.01); H01M 4/02 (2006.01); H01M 50/417 (2021.01); H01M 50/42 (2021.01); H01M 50/426 (2021.01);
U.S. Cl.
CPC ...
H01M 4/58 (2013.01); H01M 10/0525 (2013.01); H01M 50/414 (2021.01); H01M 50/443 (2021.01); H01M 50/451 (2021.01); H01M 50/457 (2021.01); H01M 50/46 (2021.01); H01M 50/417 (2021.01); H01M 50/42 (2021.01); H01M 50/426 (2021.01); H01M 2004/021 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01);
Abstract
In a non-aqueous electrolyte secondary battery according to one exemplary embodiment, a separator includes a substrate, a first filler layer containing phosphate particles and formed on at least one surface of the substrate, and a second filler layer containing inorganic particles and formed on a surface of the first filler layer on the side of the at least one surface of the substrate. The phosphate particles have a BET specific surface area of 5 m/g or more and 100 m/g or less.