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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 12548860 B1

PDFFull Text
Date of Patent:
Feb. 10, 2026

Filed:

Dec. 17, 2019

Electrode plate for secondary cell, and secondary cell 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:

Matthew T Martin

Int. Cl.
CPC ...
H01M 50/531 (2021.01); H01M 4/02 (2006.01); H01M 4/66 (2006.01); H01M 50/586 (2021.01); H01M 50/59 (2021.01);
U.S. Cl.
CPC ...
H01M 50/531 (2021.01); H01M 4/661 (2013.01); H01M 50/586 (2021.01); H01M 50/59 (2021.01); H01M 2004/028 (2013.01);
Abstract

The present invention provides a secondary cell having high reliability. A positive electrode plate for a secondary cell having a positive electrode core body made of metal, 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 side of the positive electrode core body, and in the positive electrode tab, the thickness of the end of the positive electrode core body near the first edge side is less than the thickness of the end of the positive electrode core body in the first edge side.

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Tajima, Hiroyuki. (2026). Electrode plate for secondary cell, and secondary cell using same (U.S. Patent No. 12548860). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12548860

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