Battery Cooling Plate with Reinforcement Ribs for Impact Safety
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Solution Overview
Problem
Existing cooling plates for secondary battery modules are inadequate in preventing deformation and heat accumulation during external impacts, leading to potential short-circuits and reduced lifespan due to insufficient heat release.
Innovation Solution
A flat plate-type cooling plate with spaced cooling parts and reinforcement ribs is designed to minimize deformation and enhance heat release, featuring a two-layered structure with specific rib configurations and an aperture ratio for improved cooling efficiency and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional cooling plate is used, then heat release is provided, but deformation occurs during external impact causing short-circuit risk
Solution Approach 1:
The cooling plate is divided into multiple cooling parts (first cooling part, second cooling part, etc.) spaced apart from each other, creating a segmented structure that reduces overall deformation during impact while maintaining heat release functionality through the distributed cooling surfaces
Solution Approach 2:
Reinforcement ribs are strategically positioned at specific locations (inner surfaces of cooling parts, edges, or high-stress areas) to provide localized strengthening where deformation resistance is most needed, while maintaining the overall cooling effectiveness of the plate
2Strength
If cooling parts are spaced apart to reduce deformation, then deformation resistance improves, but heat release efficiency may be reduced
Solution Approach 1:
The design optimizes parameters such as the spacing distance between cooling parts, the dimensions and positioning of reinforcement ribs, and the aperture ratio to achieve a balance where deformation resistance is enhanced through spacing while heat release efficiency is maintained through optimized thermal pathways and surface area distribution
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The cooling plate effectively reduces the risk of short-circuits and heat accumulation, improving the safety and lifespan of secondary battery modules by efficiently releasing heat and absorbing external impacts.
Implementation Method 1
heat generated from each of the unit cells has to be easily released... heat transfer occurs... heat generated during the charging and discharging may be released during a rest step
Data Source
AI summary
The present invention relates to a flat plate type cooling plate for a secondary battery, which includes a plurality of cooling parts spaced apart from each other in a longitudinal direction within the cooling plate and a plurality of reinforcement ribs disposed on inner surfaces of the cooling parts. The cooling plate for the secondary battery according to the present invention may be minimized in deformation due to an external impact and stimulation when the cell module is penetrated and thus reduce an influence on unit cells due to the deformation of the cooling plate to suppress an occurrence of short-circuit in the unit cells of the cell module, thereby improving safety of the battery. Also, heat generated during charging and discharging may be effectively released to prevent the battery from being deteriorated in capacity characteristic and improve lifespan characteristics of the battery and reliability of battery performance.