Grooved Liquid-Cooled Battery Module With Integrated Case Support
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Solution Overview
Problem
Conventional battery modules have complex structures due to the use of serpentine tubes and cross beams, which complicate manufacturing, increase costs, and reduce space utilization in pack boxes.
Innovation Solution
A battery module design featuring an I-shaped liquid cooling structure with upper and lower case plates and a support member, where battery cells are fitted into grooves on the plates, eliminating the need for separate cross beams and simplifying assembly, while enhancing structural strength and space utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If serpentine tubes and cross beams are used in conventional battery modules, then structural strength is enhanced, but device complexity increases and manufacturing costs rise
Solution Approach 1:
The patent merges the cooling function and structural support function into a single integrated liquid cooling plate. The plate includes cooling channels for heat dissipation and protrusions that extend between battery cell groups to provide structural support, eliminating the need for separate serpentine tubes and cross beams.
Solution Approach 2:
The liquid cooling plate performs multiple functions simultaneously: it serves as a cooling component with internal channels for coolant flow, a structural support element with protrusions that divide and stabilize battery cell groups, and a spatial organizer that defines accommodation spaces. This multi-functionality reduces overall device complexity.
2Stability of the object's composition
If cross beams are arranged inside the pack box to enhance structural strength, then structural stability is improved, but space utilization is reduced
Solution Approach 1:
The patent combines the structural support function previously performed by separate cross beams with the liquid cooling plate. The protrusions on the cooling plate serve as structural supports while maintaining the cooling function, thereby eliminating additional space-consuming components and improving space utilization in the pack box.
3Temperature
If serpentine tubes are placed between battery cell rows, then heat dissipation is achieved, but device complexity increases
Solution Approach 1:
The patent integrates the cooling channels directly into the liquid cooling plate structure, combining the heat dissipation function with the structural support function. The plate includes internal channels for coolant flow and external protrusions for structural support, eliminating the need for separate serpentine tube assemblies.
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 simplifies assembly, improves heat dissipation, increases energy density, and reduces manufacturing costs by integrating the case plates as cross beams, resulting in a stable and efficient battery module.
Implementation Method 1
A battery generates heat during charging and discharging, and the heat is mainly removed by a coolant flowing in a liquid cooling plate
Implementation Method 2
the heat is mainly removed by a coolant flowing in a liquid cooling plate
Data Source
AI summary
Provided are a battery module and a battery pack. The battery pack includes a battery module. The battery module includes a liquid cooling structure and multiple battery cells. The liquid cooling structure includes an upper case plate, a lower case plate, and a support member. The upper case plate and the lower case plate are oppositely arranged to form accommodation spaces, a surface of the upper case plate and a surface of the lower case plate facing each other are cooling surfaces, the cooling surfaces are provided with grooves, and the grooves are adapted to the circumferential side surfaces of the battery cells. The support member extends along the upper case plate and is perpendicularly connected between the upper case plate and the lower case plate.