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.

Date of Patent:
Aug. 31, 2021

Filed:

Feb. 21, 2019
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Takashi Harayama, Toyota, JP;

Ryo Hanasaki, Toyota, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0525 (2010.01); H01M 50/46 (2021.01);
U.S. Cl.
CPC ...
H01M 10/0525 (2013.01); H01M 50/461 (2021.01); Y02T 10/70 (2013.01);
Abstract

A nonaqueous electrolyte secondary battery includes: an electrode assembly; a nonaqueous electrolyte; and a battery case. The electrode assembly includes a positive electrode, a negative electrode, and a separator. The positive electrode includes a positive electrode active material layer. The negative electrode includes a negative electrode active material layer. The separator is interposed between the positive electrode and the negative electrode. The battery case accommodates the electrode assembly and the nonaqueous electrolyte. Ends of contact faces of the negative electrode active material layer and the separator are at least partially bonded to each other.


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