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:
Jul. 02, 2024

Filed:

Jul. 13, 2021
Applicant:

Primearth Ev Energy Co., Ltd., Kosai, JP;

Inventor:

Shigeki Saito, Hamamatsu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/536 (2021.01); B23K 13/01 (2006.01); B23K 26/22 (2006.01); B23K 101/38 (2006.01); B23K 103/10 (2006.01); B23K 103/12 (2006.01); H01M 50/566 (2021.01);
U.S. Cl.
CPC ...
H01M 50/536 (2021.01); B23K 13/01 (2013.01); B23K 26/22 (2013.01); H01M 50/566 (2021.01); B23K 2101/38 (2018.08); B23K 2103/10 (2018.08); B23K 2103/12 (2018.08);
Abstract

A secondary battery manufacturing method according to an example embodiment of the present disclosure includes an electromagnetic welding step of joining together a first metallic component and a second metallic component included in the secondary battery by electromagnetic welding, and a laser welding step of applying laser light to weld an unjoined part of the first metallic component and the second metallic component, the unjoined part being not joined by the electromagnetic welding step.


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