Battery Thermal Management Component With Disconnected Cavity
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Solution Overview
Problem
Existing battery technologies face issues with high weight due to water cooling plates, leading to reduced energy density and safety risks from temperature rise during charging and discharging.
Innovation Solution
A thermal management component with a medium inlet, outlet, and flow channel, featuring a cavity disconnected from the inlet and outlet, to regulate battery temperature while reducing weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a water cooling plate is used for thermal management, then temperature regulation capability is improved, but weight increases significantly
Solution Approach 1:
The cooling plate features locally varied thickness with thicker regions at heat-generating areas and thinner regions elsewhere, optimizing cooling efficiency where needed while reducing overall weight. This non-uniform thickness distribution allows targeted thermal management without the penalty of uniform thick construction throughout the entire plate.
Solution Approach 2:
The invention changes the geometric parameter of the cooling plate by introducing variable thickness rather than uniform thickness. This parameter modification enables the plate to achieve effective heat dissipation at critical locations while minimizing material usage and overall weight, directly addressing the contradiction between cooling performance and weight.
2Temperature
If fluid medium is allowed to fill the entire component including cavity, then thermal management coverage is improved, but weight increases
Solution Approach 1:
The invention extracts the cavity from the fluid-filled region by creating a disconnected enclosed space within the cooling plate. This separation allows the fluid medium to be confined only to the necessary flow channels for thermal management, excluding the cavity from fluid filling. The result is reduced weight while maintaining adequate thermal coverage through strategic fluid placement.
Solution Approach 2:
The internal structure is segmented into distinct regions: fluid flow channels for thermal management and a disconnected cavity for weight reduction. This segmentation creates functional zones where the fluid medium serves its cooling purpose in the channels while the cavity remains fluid-free, achieving a balance between thermal coverage and weight.
3Ease of manufacture
If cooling plate structure is simplified, then manufacturing ease is improved, but thermal management effectiveness may deteriorate
Solution Approach 1:
The variable thickness design focuses manufacturing complexity only where thermally critical, with simpler thinner regions elsewhere. This localized approach to quality control allows the overall structure to remain relatively simple and manufacturable while achieving superior thermal management effectiveness at the areas that require it most.
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 solution effectively manages battery temperature, reduces weight, and increases energy density by preventing fluid medium entry into the cavity, thereby enhancing battery performance and safety.
Implementation Method 1
the medium flow channel is used to accommodate a fluid medium to regulate temperature of the battery
Data Source
AI summary
A thermal management component is provided with a medium inlet, a medium outlet, and a medium flow channel. The medium flow channel is located inside the thermal management component, the medium flow channel communicates with the medium inlet and the medium outlet, and the medium flow channel is used to accommodate a fluid medium to regulate temperature of the battery. The thermal management component is internally provided with a cavity disconnected from both the medium inlet and the medium outlet.