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US 2022/0029254 A1Published application
Secondary battery manufacturing method and secondary battery
AssigneePrimearth Ev Energy Co., Ltd.
InventorShigeki SAITO
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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.
Claims11
A secondary battery manufacturing method comprising:
- 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.
A secondary battery comprising:
- a first metallic component;
- and
- a second metallic component,
- wherein a joint surface of the first metallic component and the second metallic component includes an electromagnetically welded part and a laser-welded part.
1 more element
Dependencies are inferred from the claim text.