Battery pack housing, battery pack and vehicle

WO2025241472A1PCT designated stage Publication Date: 2025-11-27ZHEJIANG LEAPENERGY TECH CO LTD +1
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Patent Information

Application Number
PCT/CN2024/135985
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-11-25
Filing Date
2024-11-30
Publication Date
2025-11-27

AI Technical Summary

Technical Problem

The existing battery pack housing has problems such as complex assembly of the flow channel plate and the battery pack housing, large battery pack height, low structural strength, and coolant easily affecting internal components.

Method used

Design a battery pack housing that integrates the flow channel plate and the tray into a single unit. The tray serves as the upper flow channel plate, and the flow channel is formed by a stamped composite plate. Eliminating the upper flow channel plate reduces assembly complexity and saves space.

Benefits of technology

The integration of the battery pack housing has been improved, the overall height has been reduced, the structural strength and sealing have been enhanced, the impact of coolant on internal components has been reduced, and the reliability and weight reduction of the battery pack have been improved.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN2024135985_27112025_PF_FP_ABST
    Figure CN2024135985_27112025_PF_FP_ABST
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Abstract

A battery pack housing (101), a battery pack (100) and a vehicle. The battery pack housing (101) comprises: a tray (10), which forms an accommodating cavity with an opening; a flow channel plate (20), which is disposed on the side of the tray (10) facing away from the accommodating cavity, wherein the flow channel plate (20) has a first recessed portion (21), the first recessed portion (21) is recessed in a direction facing away from the tray (10), the tray (10) and the first recessed portion (21) are spaced apart from each other and form a flow channel (22) by means of enclosure, and the flow channel (22) is used for the circulation of a coolant; and a cover plate (30), which covers the opening to seal the accommodating cavity, wherein the tray (10) is a stamping-formed composite plate. In this way, the overall heights of the battery pack housing (101) and the battery pack (100) can be reduced, and the reliability of the battery pack (100) can be improved.
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Citation Information

Patent Citations

  • Composite liquid cooling plate for heat dissipation of battery system and preparation method of composite liquid cooling plate

    CN115295928A

  • High-strength light-weight liquid-cooled battery box body and battery pack

    CN117117416A

  • Integrated steel-aluminum composite cold plate for new energy battery pack

    CN117317447A

  • Power battery heat transfer unit (HTU)

    CN205231212U

  • Tray assembly and battery pack

    CN218498171U