Battery Module Cooling Assembly for Uniform Cell Temperature
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Solution Overview
Problem
Existing water-cooling type cooling systems for battery modules struggle with uniform cooling, leading to temperature deviations and reduced efficiency.
Innovation Solution
A battery module design featuring top and bottom cooling members with integrated heatsinks and a connector member to uniformly distribute cooling water across the battery cell surfaces, minimizing temperature deviations and enhancing cooling efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a water-cooling type cooling system is used to cool the battery module, then cooling capability is improved, but uniform cooling is difficult to achieve and temperature deviation occurs
Solution Approach 1:
The cooling system is divided into multiple independent cooling channels (first cooling channel, second cooling channel, third cooling channel, fourth cooling channel) that are distributed across different regions of the battery module. Each channel independently cools specific battery cells, allowing for localized temperature control and preventing hot spots, thereby achieving uniform cooling across the entire module.
Solution Approach 2:
Different cooling channels are strategically positioned to provide targeted cooling to specific high-heat-generation areas. The first and second cooling channels cool battery cells at one end, while the third and fourth cooling channels cool battery cells at the other end, ensuring that each region receives appropriate cooling intensity based on its thermal characteristics.
2Loss of energy
If cooling water is supplied to heatsinks to cool battery cells, then heat dissipation is improved, but temperature deviation in the entire battery module occurs
Solution Approach 1:
The cooling system is divided into multiple independent cooling channels (first cooling channel, second cooling channel, third cooling channel, fourth cooling channel) that are distributed across different regions of the battery module. Each channel independently cools specific battery cells, allowing for localized temperature control and preventing hot spots, thereby achieving uniform cooling across the entire module.
Solution Approach 2:
The cooling system is designed to create equipotential temperature distribution across the battery module by distributing cooling channels uniformly and ensuring equal cooling water flow through each channel. This balanced approach prevents temperature deviations and achieves uniform temperature field throughout the battery module.
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 design ensures uniform cooling of the battery cell surfaces, reducing temperature deviations and improving overall cooling efficiency.
Implementation Method 1
a first heatsink configured to cool the top surface of the battery cell while cooling water passes therethrough
Implementation Method 2
cooling water passes therethrough
Data Source
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AI summary
A battery module of the present invention includes a case assembly configured to accommodate and cool a battery cell, wherein the case assembly includes: a top cooling member; a bottom cooling member; and a connector member. Thus, the entire battery cell may be uniformly cooled, and a temperature deviation of the entire battery cell may be minimized.