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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.:

US 12525680 B1

PDFFull Text
Date of Patent:
Jan. 13, 2026

Filed:

Nov. 12, 2020

Non-aqueous electrolyte secondary battery and method for manufacturing non-aqueous electrolyte secondary battery

Applicant:

Panasonic Holdings Corporation, Osaka, JP;

Inventors:

Hiroshi Takamatsu, Hyogo, JP;

Hiroaki Imanishi, Hyogo, JP;

Ichiro Murata, Hyogo, JP;

Assignee:

PANASONIC HOLDINGS CORPORATION, Osaka, JP;

Attorney:

Rimon P.C.

Primary Examiner:

Lingwen R Zeng

Int. Cl.
CPC ...
H01M 50/342 (2021.01); H01M 10/0587 (2010.01); H01M 50/167 (2021.01); H01M 50/186 (2021.01); H01M 50/30 (2021.01); H01M 50/609 (2021.01); H01M 50/627 (2021.01);
U.S. Cl.
CPC ...
H01M 50/3425 (2021.01); H01M 10/0587 (2013.01); H01M 50/167 (2021.01); H01M 50/186 (2021.01); H01M 50/394 (2021.01); H01M 50/609 (2021.01); H01M 50/30 (2021.01); H01M 50/342 (2021.01); H01M 50/627 (2021.01); Y02E 60/10 (2013.01);
Abstract

A non-aqueous electrolyte including a battery case which has an opening and a sealing plate sealing the opening includes: a blind rivet fixed to the sealing plate by inserting the blind rivet into an opening portion provided in the sealing plate via a gas permeable membrane. The gas permeable membrane includes a tubular portion and a flange. The blind rivet includes: a sleeve body including a sleeve portion and a flange portion; and a mandrel including a shaft to be inserted into a hollow portion of the sleeve portion and a head. The blind rivet is crimped with the sleeve portion, and fixed to the sealing plate with the sleeve portion and the head being covered with the tubular portion. A space communicating with the outside of the battery case is formed between the gas permeable membrane and the blind rivet.

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Takamatsu, Hiroshi. (2026). Non-aqueous electrolyte secondary battery and method for manufacturing non-aqueous electrolyte secondary battery (U.S. Patent No. 12525680). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12525680

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