Dual-Plate Battery Module Layout for Cell Heat Dissipation
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Solution Overview
Problem
Conventional battery modules experience low cooling efficiency, leading to rapid temperature increases during charging, which can shorten the lifespan of the battery, decrease efficiency, and potentially result in ignition or explosion.
Innovation Solution
A battery module design featuring a first and second plate made of aluminum, with the electrode lead biased towards the first plate, and a heat transfer member filling the space between the battery cell and these plates, along with an insulating cover and cooling device, to enhance heat dissipation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If conventional cooling systems are used for battery modules, then the structure is simple, but cooling efficiency is significantly low and heat dissipation is ineffective
Solution Approach 1:
The patent transitions from conventional single-sided or top-only cooling to a three-dimensional cooling architecture by placing cooling plates on both the upper and lower surfaces of battery cells. This dimensional expansion creates multiple heat dissipation pathways, allowing heat to be removed from all surfaces of the battery cell rather than relying on a single cooling interface, thereby significantly improving heat dissipation efficiency without proportionally increasing structural complexity.
Solution Approach 2:
The cooling system is segmented into multiple independent cooling plates that can be individually positioned against different surfaces of the battery cell. Each cooling plate acts as an independent heat dissipation unit, allowing for modular installation and maintenance. This segmentation enables the cooling function to be distributed across multiple contact points, improving overall heat removal effectiveness while maintaining structural flexibility.
2Productivity
If battery cells are operated for elongated periods, then energy capacity is utilized, but internal temperature rises rapidly causing shortened lifespan and safety issues
Solution Approach 1:
The patent introduces cooling plates as intermediary thermal management components positioned between the battery cell and the surrounding environment. These plates serve as heat transfer mediators, conducting heat away from the battery cell surfaces and transferring it to a cooling medium or heat sink. This intermediary cooling mechanism enables extended battery operation by continuously removing heat during charging and discharging cycles, preventing dangerous temperature accumulation while maintaining productivity.
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 effectively dissipates heat generated by the battery cells, improving the heat dissipation performance and reducing the risk of thermal issues such as ignition or explosion.
Implementation Method 1
a heat transfer member filling at least a space, among a space between the at least one battery cell and the first plate and a space between the at least one battery cell and the second plate
Implementation Method 2
a first plate disposed on one side of the at least one battery cell to dissipate heat generated by the at least one battery cell externally; and a second plate disposed on the other side of the at least one battery cell to dissipate heat generated by the at least one battery cell externally
Implementation Method 3
a first plate disposed on one side of the at least one battery cell to dissipate heat generated by the at least one battery cell externally
Data Source
AI summary
A battery module includes at least one battery cell; a first plate disposed on one side of the at least one battery cell to dissipate heat generated by the at least one battery cell externally; and a second plate disposed on the other side of the at least one battery cell to dissipate heat generated by the at least one battery cell externally, wherein an electrode lead of the at least one battery cell is disposed between the first plate and the second plate, and is disposed to be biased toward the first plate.