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. 30, 2024
Filed:
Nov. 03, 2020
Applicant:
Maxell, Ltd., Kyoto, JP;
Inventors:
Assignee:
Maxell, Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/05 (2010.01); H01G 9/02 (2006.01); H01M 10/04 (2006.01); H01M 10/052 (2010.01); H01M 10/0587 (2010.01); H01M 50/414 (2021.01); H01M 50/417 (2021.01); H01M 50/434 (2021.01); H01M 50/44 (2021.01); H01M 50/449 (2021.01); H01M 50/46 (2021.01); H01M 50/48 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01);
U.S. Cl.
CPC ...
H01M 10/052 (2013.01); H01G 9/02 (2013.01); H01M 10/0431 (2013.01); H01M 10/0587 (2013.01); H01M 50/414 (2021.01); H01M 50/417 (2021.01); H01M 50/434 (2021.01); H01M 50/449 (2021.01); H01M 50/46 (2021.01); H01M 50/489 (2021.01); H01M 50/491 (2021.01); Y10T 29/49108 (2015.01);
Abstract
An electrochemical device of the present invention includes a positive electrode, a negative electrode, a non-aqueous electrolyte, and a separator. The separator includes a first porous layer composed mainly of a thermoplastic resin and a second porous layer composed mainly of insulating particles with a heat-resistant temperature of 150° C. or higher. The first porous layer is disposed to face the negative electrode.