Battery Module Frame with Cooling Grooves
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Solution Overview
Problem
Conventional battery modules face challenges in simplifying their structure and increasing cell capacity due to the need for separate cooling components, which increase weight and reduce volume ratios.
Innovation Solution
A battery module design that incorporates a frame assembly with a side plate featuring an elongated groove for external air inflow, allowing natural air cooling without additional cooling components, and includes bent end portions with air slits for enhanced airflow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a separate cooling channel is designed for cooling battery cells in a water-cooling manner, then cooling performance is improved, but the structure becomes more complex and the volume ratio of mountable cells decreases
Solution Approach 1:
The cooling channel is merged with the frame structure by forming grooves directly on the frame surfaces. The frame serves dual purposes: structural support and heat dissipation pathway. This integration eliminates separate cooling components and reduces overall structural complexity while maintaining effective cooling performance.
Solution Approach 2:
The frame assembly is designed to perform multiple functions simultaneously: mechanical support for the battery cells and thermal management through integrated cooling grooves. This multi-functionality reduces the number of separate components needed, simplifying the overall structure while achieving both support and cooling objectives.
2Temperature
If a separate cooling channel is designed for cooling battery cells, then cooling performance is improved, but the weight of the module increases
Solution Approach 1:
The cooling channel is merged with the frame structure by forming grooves directly on the frame surfaces. The frame serves dual purposes: structural support and heat dissipation pathway. This integration eliminates separate cooling components and reduces overall structural complexity while maintaining effective cooling performance.
3Temperature
If cooling components are added to the battery module, then cooling performance is improved, but the volume ratio of the battery module decreases
Solution Approach 1:
The cooling channel is merged with the frame structure by forming grooves directly on the frame surfaces. The frame serves dual purposes: structural support and heat dissipation pathway. This integration eliminates separate cooling components and reduces overall structural complexity while maintaining effective cooling performance.
Solution Approach 2:
The cooling grooves are formed on the surface of the frame structure, utilizing the existing three-dimensional space of the frame. This approach adds cooling functionality without occupying additional internal volume that would reduce the space available for battery cells, thereby maintaining a high volume ratio.
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
This design improves cooling performance without increasing weight or reducing volume ratios, enabling higher cell capacity and cost reduction by utilizing external air for cooling.
Implementation Method 1
a battery module, which may allow an external air generated by a running vehicle to flow into the battery module
Data Source
AI summary
Disclosed is a battery module, which includes a cell assembly composed of a plurality of cells, and a frame assembly having a bottom plate supporting the cell assembly from a lower portion, a side plate perpendicular to the bottom plate and disposed adjacent to an outermost side of the cell assembly, and a top plate covering an upper portion of the cell assembly, wherein a groove forming an external air inflow space between the side plate and the cell assembly is formed at the side plate to elongate in a length direction thereof.