Modular narrow terminal assembly, top cover assembly and assembly method

By designing modular narrow terminal assemblies, adopting racetrack-shaped terminals and an integrated structure, the problems of insufficient overcurrent, complex assembly, and poor appearance of narrow cells were solved. This achieved efficient overcurrent capability and structural stability in narrow cells, simplified the manufacturing process, and reduced the defect rate.

CN122118318APending Publication Date: 2026-05-29安徽得壹能源科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
安徽得壹能源科技有限公司
Filing Date
2026-01-13
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing technologies suffer from insufficient overcurrent capacity, assembly errors, complex manufacturing processes, and poor appearance in narrow battery cells. In particular, when thickness space is limited, traditional riveting methods result in high process complexity and cannot meet the demands of the fast charging market.

Method used

The modular narrow terminal assembly is designed to meet the space requirements of narrow battery cells. It adopts an integrated structure of racetrack-shaped terminals, injection-molded insulation and assembly ring, combined with laser welding, which simplifies the manufacturing process and improves current carrying capacity. It also has anti-torsion function and reduces the need for additional parts processing.

Benefits of technology

Without increasing space requirements, it improves flow capacity and structural reliability, simplifies the manufacturing process, reduces defect rates, and enhances production efficiency and product quality.

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Abstract

The application discloses a kind of modular narrow terminal assembly, top cover assembly and assembly method, it is related to electric core terminal assembly technical field, the narrow terminal assembly is runway shape, including coaxial by inside to outside setting pole, injection molding insulating part, assembly ring;Assembly ring is successively divided from bottom to top into bottom, middle and top, middle is multiple ladder bending structure and is equipped with the plane of set width at bending portion, and top inner side edge is equipped with multiple vertical direction's through type notch, in the linear section of runway shape, waist round notch is used, circular segment adopts circular notch;Injection molding insulating part is formed by injection molding between pole and assembly ring, and injection molding insulating part is passed over assembly ring top and is collected glue in the plane outside in assembly ring middle, while filling the multiple notch of top;Pole is integrally stamped, and pole body is runway shape and the linear section of runway shape constitutes torsion resistance section.The application can realize the narrow terminal assembly assembly of more optimal overcurrent capacity and structural reliability, simpler process.
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