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:
May. 18, 2021

Filed:

Mar. 22, 2018
Applicant:

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

Inventors:

Takahiro Fukuoka, Tokushima, JP;

Shuichi Yamashita, Tokushima, JP;

Yuma Yamaguchi, Osaka, JP;

Hiromichi Wakabayashi, Tokushima, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/00 (2021.01); H01M 50/538 (2021.01); H01M 10/04 (2006.01); H01M 10/0587 (2010.01); H01M 50/10 (2021.01);
U.S. Cl.
CPC ...
H01M 50/538 (2021.01); H01M 10/0422 (2013.01); H01M 10/0587 (2013.01); H01M 50/10 (2021.01);
Abstract

A cylindrical battery with an electrode body in which a negative electrode plate and a positive electrode plate connected to a plurality of positive electrode leads are rolled with a separator interposed therebetween, a first insulating plate disposed on the electrode body, a current-collection plate disposed on the first insulating plate, a second insulating plate disposed in contact with an opposite surface of the current-collection plate that opposes the first insulating plate, a sealing body, and an outer jacket can, wherein the first insulating plate has at least one through hole, the first positive electrode lead passes through the through hole and between the first insulating plate and the second insulating plate, is bent from the outer-circumference portion of the current-collection plate onto the current-collection plate and the second insulating plate is provided with a recessed portion to house the first positive electrode lead.


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