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:
Jan. 11, 2022

Filed:

Feb. 06, 2019
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Kenta Watanabe, Toyota, JP;

Nobuyoshi Fujiwara, Nagoya, JP;

Koichi Umeda, Nagoya, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 10/00 (2006.01); H01M 50/502 (2021.01); H01M 10/04 (2006.01); H01R 43/02 (2006.01); H01M 10/42 (2006.01); H01M 10/643 (2014.01); H01M 50/20 (2021.01); H01M 50/213 (2021.01); H01M 50/572 (2021.01);
U.S. Cl.
CPC ...
H01M 50/502 (2021.01); H01M 10/0413 (2013.01); H01M 10/425 (2013.01); H01M 10/643 (2015.04); H01M 50/20 (2021.01); H01M 50/213 (2021.01); H01M 50/572 (2021.01); H01R 43/0207 (2013.01); H01R 43/0221 (2013.01);
Abstract

An electric power storage device includes at least one electric power storage cell having a first end provided with a first electrode, and a second end provided with a second electrode; a first electrode bus bar that is disposed on a side of the first end and is connected to the first electrode; and a second electrode bus bar that is disposed on a side of the second end and is connected to the second electrode. The first electrode bus bar is provided with a connection line connected to the first electrode. The first electrode bus bar and the second electrode bus bar are joined to each other by ultrasonic joining. A joint portion between the first electrode bus bar and the second electrode bus bar is disposed at a position that is closer to the second end than to the first end.


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