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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 12224443 B1

PDFFull Text
Date of Patent:
Feb. 11, 2025

Filed:

Dec. 17, 2019

Secondary battery electrode plate and secondary battery using same

Applicant:

Sanyo Electric Co., Ltd., Daito, JP;

Inventors:

Hiroyuki Tajima, Hyogo, JP;

Tetsuya Sato, Hyogo, JP;

Assignee:

SANYO Electric Co., Ltd., Osaka, JP;

Attorney:

WHDA, LLP

Primary Examiner:

Olatunji A Godo

Int. Cl.
CPC ...
H01M 50/534 (2021.01); H01M 4/134 (2010.01); H01M 4/62 (2006.01); H01M 4/66 (2006.01); H01M 4/02 (2006.01); H01M 50/588 (2021.01); H01M 50/593 (2021.01);
U.S. Cl.
CPC ...
H01M 4/623 (2013.01); H01M 4/134 (2013.01); H01M 4/661 (2013.01); H01M 50/534 (2021.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01); H01M 50/588 (2021.01); H01M 50/593 (2021.01);
Abstract

Provided are: a highly reliable secondary battery electrode plate; and a secondary battery using same. The electrode plate is a positive electrode plate for a secondary battery, the positive electrode plate having a metallic positive electrode core body and a positive electrode active material layer formed on both surfaces of the positive electrode core body, wherein the positive electrode plate has a first edge and a positive electrode tab protruding from the first edge, and a fluorine-containing coating is formed on the end surface of the positive electrode core body at the first edge of the positive electrode plate. The secondary battery has the positive electrode plate and a negative electrode plate.

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Tajima, Hiroyuki. (2025). Secondary battery electrode plate and secondary battery using same (U.S. Patent No. 12224443). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12224443

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