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:
Sep. 26, 2023
Filed:
Apr. 15, 2020
Applicant:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Inventors:
Yuichiro Azuma, Osaka, JP;
Kensaku Horie, Niihama, JP;
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0565 (2010.01); H01M 50/46 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01); H01M 50/423 (2021.01); H01M 50/417 (2021.01); H01M 50/451 (2021.01);
U.S. Cl.
CPC ...
H01M 10/0565 (2013.01); H01M 50/417 (2021.01); H01M 50/423 (2021.01); H01M 50/451 (2021.01); H01M 50/46 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01); H01M 2300/0082 (2013.01);
Abstract
An aspect of the present invention achieves a nonaqueous electrolyte secondary battery porous layer that has both favorable ion permeability and favorable heat resistance despite being thin. A nonaqueous electrolyte secondary battery porous layer in accordance with an aspect of the present invention has a thickness of less than 8 μm and an elastic modulus in a shear direction of not less than 16 GPa.