Method for manufacturing a battery arrangement for a battery module and a battery arrangement

A foaming adhesive method simplifies the assembly of battery systems by providing efficient contact protection and structural integration, addressing the inefficiencies of traditional plastic-injection-molded components in high-voltage battery systems.

DE102024112716A1Pending Publication Date: 2025-11-06WEBASTO AG
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Patent Information

Application Number
DE102024112716
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2025-11-06

AI Technical Summary

Technical Problem

Existing methods for providing touch protection in high-voltage battery systems, such as those in electric vehicles, involve complicated assembly of plastic-injection-molded components, which is time-consuming and inefficient.

Method used

A method using a foaming adhesive is applied to the top side of a battery cell block, partially wetting electrical contacts to form contact protection, which is then cured while the block is in a mold, allowing easy removal and assembly, thereby simplifying the process and enhancing safety.

Benefits of technology

The method provides effective contact protection for the battery cell block, reducing assembly time and complexity while ensuring worker safety, and integrates additional structural support and insulation, improving the overall efficiency and durability of the battery arrangement.

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Abstract

The present invention relates to a method for manufacturing a battery arrangement (1) for a battery module (2), comprising the following steps: providing (S20) a battery cell block (4) comprising a plurality of battery cells (6), in particular cylindrical cells (6), wherein a battery cell block top surface (8) has one or more, in particular at least two, electrical contacts (10) of the plurality of battery cells (6); applying (S30) a foaming adhesive (14) to or into a tool mold (16);Positioning the battery cell block (4) on or in the tool mold (16) and inserting (S40) the top surface (8) of the battery cell block into the foaming adhesive (14) so ​​that the top surface (8), in particular the one or more electrical contacts (10), is at least partially wetted by the foaming adhesive (14) in order to form a contact protection for the top surface (8), in particular for the one or more electrical contacts (10), by means of the foaming adhesive (14); waiting (S50) until the foaming adhesive (14) adheres to the top surface (8) of the battery cell block;Removing (S60) the battery cell block (4) from or out of the tool mold (16). The present invention further relates to a battery arrangement (1) with a foaming adhesive (14) covering a battery cell block top surface (8) and at least partially enclosing at least one or more, in particular at least two, electrical contacts (10) to provide touch protection for the battery cell block top surface (8).
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