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:
Nov. 05, 2019
Filed:
Aug. 10, 2016
Applicant:
Envision Aesc Japan Ltd., Zama-shi, Kanagawa, JP;
Inventors:
Assignee:
Envision AESC Japan Ltd., Zama-shi, Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 4/13 (2010.01); H01M 2/02 (2006.01); H01M 2/18 (2006.01); H01M 4/131 (2010.01); H01M 4/133 (2010.01); H01M 10/0525 (2010.01); H01M 10/0563 (2010.01); H01M 10/052 (2010.01); H01M 10/056 (2010.01);
U.S. Cl.
CPC ...
H01M 2/1653 (2013.01); H01M 2/02 (2013.01); H01M 2/0207 (2013.01); H01M 2/0267 (2013.01); H01M 2/0285 (2013.01); H01M 2/16 (2013.01); H01M 2/1646 (2013.01); H01M 2/1686 (2013.01); H01M 2/18 (2013.01); H01M 4/13 (2013.01); H01M 4/131 (2013.01); H01M 4/133 (2013.01); H01M 10/0525 (2013.01); H01M 10/0563 (2013.01); H01M 10/052 (2013.01); H01M 10/056 (2013.01); H01M 2220/20 (2013.01);
Abstract
A non-aqueous electrolyte secondary battery has improved battery cycle durability and suppresses internal short-circuits. The non-aqueous electrolyte secondary battery includes a power generating element having a positive electrode, a negative electrode, and a separator including a resin film having a three-layer structure, a ratio of a rated capacity to a pore volume of a positive electrode active material layer being 2.08 Ah/cc or more, a ratio of a battery area to a rated capacity being 7 cm/Ah or more, and a rated capacity being 50 Ah or more, in which a value R represented by Formula 1 is 62 to 110: