Battery module and battery module assembly
The integration of cooling walls with integrated breaking points in the module housing addresses the challenge of overheating in battery modules, enabling efficient coolant flooding and thermal management without extra components, enhancing safety and cooling efficiency.
DE102024133296A1Pending Publication Date: 2026-05-21DR ING H C F PORSCHE AG
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Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Applications
- Current Assignee / Owner
- DR ING H C F PORSCHE AG
- Filing Date
- 2024-11-14
- Publication Date
- 2026-05-21
AI Technical Summary
Technical Problem
Existing battery modules lack a simple and effective mechanism for cooling and managing overheating, particularly in the event of thermal runaway, without requiring additional components.
Method used
A battery module design where the cooling walls are integrated into the module housing, with predetermined breaking points that allow fluidic connection to the housing space upon overheating, enabling coolant influx to cool the battery cells effectively.
Benefits of technology
Facilitates efficient cooling of battery cells by allowing coolant to flood the housing space upon overheating, effectively managing thermal events without additional components, enhancing safety and cooling efficiency.
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Smart Images
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Abstract
The present invention relates to a battery module (100; 100*) comprising: a module housing (1) forming a housing space (2), several battery cells (3) arranged in the housing space (2), a cooling wall (4) in which a cooling channel (5) is provided, which is designed to be flowed through by a cooling fluid (K), wherein the cooling wall (4) is directly adjacent to the housing space (2), wherein the cooling wall (4) has a predetermined breaking point (6) which is designed to create a fluidic connection (7) between the cooling channel (5) and the housing space (2) in the event of overheating of a battery cell (3), and wherein the cooling wall (4) is formed by a housing part (1.1) of the module housing (1).The present invention further relates to a battery module arrangement (200; 200*) comprising a battery module (100; 100*) according to the invention and a cooling fluid system (201) which is fluidically connected to the cooling channel (4), wherein the cooling fluid system (201) comprises a cooling fluid volume sufficient to fill the housing space (2) at least half, preferably at least three quarters, particularly preferably completely, with the coolant (K).
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