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:
Sep. 28, 2021

Filed:

Jun. 28, 2019
Applicant:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Inventors:

Yoko Tokuno, Yokohama, JP;

Ikuo Uematsu, Yokohama, JP;

Assignee:

Kabushiki Kaisha Toshiba, Minato-ku, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/44 (2021.01); H01M 50/411 (2021.01); H01M 50/449 (2021.01); H01M 50/46 (2021.01);
U.S. Cl.
CPC ...
H01M 50/44 (2021.01); H01M 50/411 (2021.01); H01M 50/449 (2021.01); H01M 50/461 (2021.01);
Abstract

According to one embodiment, an electrode structure is provided. The electrode structure includes an electrode and a separator. The electrode includes an active material-containing layer. The separator includes a layer provided on a main surface of the active material-containing layer. The layer includes organic fibers and a resin mass. The resin mass is in contact with a portion of the main surface of the active material-containing layer. The resin mass is integrated with a portion of the organic fibers. When a length of the resin mass is represented by a circumscribed quadrilateral of the resin mass, a length of a first side of the circumscribed quadrilateral and a length of a second side adjacent to the first side are each 10 μm or more.


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