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. 20, 2024

Filed:

Oct. 10, 2019
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventor:

Shigeki Matsuta, Hyogo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/66 (2006.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); H01M 50/46 (2021.01); H01M 4/131 (2010.01);
U.S. Cl.
CPC ...
H01M 4/666 (2013.01); H01M 4/525 (2013.01); H01M 4/667 (2013.01); H01M 10/0525 (2013.01); H01M 50/46 (2021.01); H01M 4/131 (2013.01);
Abstract

Provided is a secondary battery that can sufficiently suppress a leakage current even when conductive foreign matter passes through a separator to cause a minute short-circuit. The secondary battery according to an aspect of the present disclosure comprises: a positive electrode; a negative electrode; and a separator interposed between the positive electrode and the negative electrode, wherein each of the positive electrode and the negative electrode has a current collector and a mixed material layer formed on the surface of the current collector. At least one of the positive electrode and the negative electrode has a semiconductor layer formed substantially over the entire surface of the mixed material layer and having a higher resistance than the mixed material layer.


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Matsuta, Shigeki. (2024). Secondary battery (U.S. Patent No. 12068485). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12068485

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