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. 28, 2020
Filed:
Jul. 30, 2018
Applicant:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Inventors:
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/04 (2006.01); H01M 10/058 (2010.01); H01M 2/16 (2006.01); H01M 10/0525 (2010.01); H01M 2/14 (2006.01); H01M 10/0567 (2010.01);
U.S. Cl.
CPC ...
H01M 10/058 (2013.01); H01M 2/145 (2013.01); H01M 2/1653 (2013.01); H01M 10/0459 (2013.01); H01M 10/0525 (2013.01); H01M 10/0567 (2013.01); H01M 2300/004 (2013.01); H01M 2300/0037 (2013.01);
Abstract
As a nonaqueous electrolyte secondary battery whose battery performance is prevented from being deteriorated by charge and discharge, provided is a nonaqueous electrolyte secondary battery including: a nonaqueous electrolyte secondary battery separator having ion permeability barrier energy of not less than 300 J/mol/μm and not more than 900 J/mol/μm per unit film thickness; and a nonaqueous electrolyte containing a given additive in an amount of not less than 0.5 ppm and not more than 300 ppm.