Battery Pack Insulating Holder Rib Coupling Heat Dissipation
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Solution Overview
Problem
Existing battery packs face challenges in efficiently managing heat dissipation and maintaining proper spacing between batteries for optimal performance and safety, particularly when multiple secondary batteries are connected in series or parallel.
Innovation Solution
A battery pack design incorporating a metal holder with thermal conductivity and an insulating holder that creates a spaced arrangement between the batteries, using a rib-coupling mechanism to prevent rotation and ensure electrical connections while allowing for heat transfer through incision portions, thereby facilitating efficient heat dissipation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If batteries are placed in direct contact with the holder for stable positioning, then mechanical stability is improved, but heat dissipation deteriorates due to blocked heat transfer paths
Solution Approach 1:
The holder is segmented into metal holder portions for structural support and insulating holder portions for thermal isolation. The insulating holder includes incision portions that segment the contact area, creating localized thermal pathways while maintaining mechanical stability through the rib-coupling mechanism.
Solution Approach 2:
The insulating holder acts as an intermediary between the metal holder and the battery. It provides mechanical coupling through the rib-coupling mechanism while its incision portions allow thermal pathways to pass through, mediating between mechanical stability and heat dissipation requirements.
2Temperature
If insulating material is placed between the metal holder and battery for thermal isolation, then heat dissipation is improved, but mechanical coupling deteriorates due to reduced structural integrity
Solution Approach 1:
The holder uses composite construction with both metal and insulating materials. The metal holder provides structural strength and thermal conduction pathways, while the insulating holder portions provide thermal isolation and mechanical coupling through the rib-coupling mechanism, creating a composite structure that satisfies both requirements.
Solution Approach 2:
Different portions of the holder have different material properties localized to specific functions. The metal holder portions are located where structural strength and thermal conduction are needed, while insulating holder portions are located where thermal isolation is needed, with the rib-coupling mechanism providing localized mechanical coupling.
3Volume of moving object
If tight fitting between holder and battery is used for space efficiency, then device compactness is improved, but heat transfer pathways are blocked
Solution Approach 1:
The insulating holder incorporates incision portions that create a porous or segmented structure. This allows thermal pathways to pass through the holder material while maintaining the overall compact form factor, as the incisions are integrated into the holder's volume rather than adding external bulk.
4Strength
If metal holder is used for structural strength and thermal conduction, then mechanical strength is improved, but electrical insulation deteriorates due to potential short circuits
Solution Approach 1:
The insulating holder serves as an intermediary between the metal holder and the battery. It provides electrical insulation to prevent short circuits while allowing the metal holder to provide structural strength. The rib-coupling mechanism ensures mechanical coupling is maintained through the insulating barrier.
Solution Approach 2:
The holder system uses composite materials with metal portions for structural strength and insulating portions for electrical isolation. This composite construction allows the metal holder to provide mechanical support while the insulating holder portions prevent electrical short circuits between the metal holder and battery.
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 transfers heat away from batteries, ensuring efficient heat dissipation and maintaining proper spacing for improved performance and safety in high-output or high-capacity power storage applications.
Implementation Method 1
a metal holder with thermal conductivity and an insulating holder that creates a spaced arrangement between the batteries... effectively transfers heat away from batteries, ensuring efficient heat dissipation
Data Source
AI summary
A battery pack includes a battery with an electrode terminal connected to a lead tab, a metal holder to accommodate the battery, and an insulating holder spacing apart the metal holder from the battery, the insulating holder including a coupling part coupled with the metal holder, and the lead tab being connected to electrode terminal through an opening in the insulating holder.