Battery cell assembly and battery pack comprising a battery cell assembly

By employing an insulating frame design in the battery cell assembly, non-cutting connection of electrode leads is achieved, solving the problem of low productivity and improving the manufacturing efficiency of secondary batteries.

CN122374927APending Publication Date: 2026-07-10LG ENERGY SOLUTION LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
LG ENERGY SOLUTION LTD
Filing Date
2025-07-01
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

In the existing technology, the productivity of secondary battery cell components is low, especially since the electrode lead connection process requires cutting, which leads to low efficiency.

Method used

By adopting the insulating frame design in integrated circuit components, the positive and negative leads of the battery cell are connected without cutting through the slit and through-hole structure. The insulating frame supports and protects the leads, simplifying the welding process of the electrode leads.

Benefits of technology

The electrode lead cutting process is omitted, which improves the manufacturing efficiency and production volume of secondary batteries.

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Abstract

According to an exemplary embodiment, a battery cell assembly is provided. The battery cell assembly includes: a first battery cell, the first battery cell including a first positive lead and a first negative lead; a second battery cell, the second battery cell including a second positive lead and a second negative lead; and a first integrated circuit assembly, the first integrated circuit assembly being coupled to the first battery cell and the second battery cell and including a first insulating frame, wherein the first insulating frame includes a first slit through which the first negative lead of the first battery cell passes, a second slit through which the second positive lead of the second battery cell passes, and a third slit through which the first negative lead of the first battery cell passes.
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