A sealing head structure for soft package battery cell top sealing
By introducing a stepped structure and a guide section into the top sealing structure of the pouch cell, the uniform distribution of PP adhesive in the tab groove is achieved, solving the problem of uneven sealing caused by tab welding deviation, and improving the sealing effect and appearance inspection accuracy of the cell.
CN224304704UActive Publication Date: 2026-05-29天能新能源(湖州)有限公司
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 天能新能源(湖州)有限公司
- Filing Date
- 2025-05-26
- Publication Date
- 2026-05-29
Smart Images
Figure CN224304704U_ABST
Abstract
The utility model relates to the technical field of soft package battery, especially to a head structure for soft package battery top seal, including two mutually matched head split bodies, the head split body is equipped with two respectively and is used for with the positive pole lug and negative pole lug of soft package battery cooperation's pole lug groove, the pole lug groove includes groove bottom and two groove walls that are equipped in groove bottom both sides, the junction of groove bottom and groove wall is equipped with step structure, the step structure includes at least one with groove bottom parallel platform, the horizontal plane of platform is closer to the horizontal plane of groove bottom more closely, the utility model discloses through the design of step structure, on the basis of reducing the space in pole lug groove, will PP glue filling split into multiple stages, force PP glue to enter the next stage after transverse extension on the platform is finished, thereby the uniformity of sealing is improved.
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