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US 2026/0066483 A1Published application
Secondary battery
AssigneeSamsung SDI Co., Ltd.
InventorsDong Hyun KIM, Ye Jin SEO, Eun Jeong MOON
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Abstract
A secondary battery having improved reliability includes a case, an electrode assembly accommodated in the case and including an electrode tab, and a lead connected to the electrode tab, the electrode tab and the lead are coupled in a welding area, the welding area includes at least two or more bending areas, and a length of the electrode tab is greater than or approximately equal to the thickness of the electrode assembly.
Claims15
A secondary battery comprising:
- a case;
- an electrode assembly accommodated in the case, the electrode assembly comprising an electrode tab;
- and
- a lead connected to the electrode tab,
- wherein the electrode tab and the lead are coupled in a welding area,
- wherein the welding area comprises at least two bending areas, and
- wherein a length of the electrode tab is greater than or substantially equal to a thickness of the electrode assembly.
4 more elements
Dependencies are inferred from the claim text.