Integrated Battery Submodule Structure Without Steel Strapping
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Solution Overview
Problem
Existing modular energy storage systems face challenges in providing structural stiffness while minimizing component complexity and assembly time, often requiring steel strapping to support cell expansion loads.
Innovation Solution
Integrate multiple individual battery module building block components into a single structural subcomponent, such as end and side plates, to provide structural support and stiffness without the need for steel strapping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If multiple individual battery module components (end plates, side plates, cold plates) are used separately with steel strapping, then structural support for cell expansion loads is provided, but component complexity and assembly time increase
Solution Approach 1:
The patent combines multiple separate structural components (end plates, side plates, cold plates, and steel strapping) into a single integrated structural subcomponent. This merging eliminates the need for multiple discrete parts and their associated fasteners, directly reducing component complexity while maintaining the required structural support for cell expansion loads.
2Strength
If multiple individual battery module components (end plates, side plates, cold plates) are used separately with steel strapping, then structural support for cell expansion loads is provided, but assembly time increases
Solution Approach 1:
By integrating multiple structural components into one unified subcomponent, the patent reduces the number of assembly steps required. Instead of assembling separate plates and strapping individually, the integrated design allows for a single installation operation, directly reducing assembly time while maintaining structural integrity.
3Stability of the object's composition
If multiple individual battery module components are used, then structural stiffness is provided, but the number of parts and assembly complexity increase
Solution Approach 1:
The patent merges multiple structural components into a single integrated subcomponent that maintains the necessary structural stiffness. The integrated design incorporates all structural functions (end plates, side plates, cold plates, and expansion support) within one unified part, reducing the number of discrete components while preserving mechanical stability.
4Strength
If steel strapping is used to support cell expansion loads, then cell expansion is supported, but component complexity increases
Solution Approach 1:
The patent integrates the cell expansion support function directly into the structural subcomponent itself, eliminating the need for separate steel strapping. The integrated design incorporates expansion accommodation features as an inherent part of the structural component, reducing component complexity while maintaining the necessary support for cell expansion.
Data Source
AI summary
An energy storage enclosure including a battery pack, a plurality of battery modules arranged within the battery pack, a plurality of battery submodules arranged within each of the battery modules, and a plurality of battery cells arranged within each of the plurality of battery submodules. Each of the battery submodules includes a structural subcomponent having a first structural plate, a second structural plate, a first structural end plate fixedly attached to the first structural plate and the second structural plate, and a second structural end plate fixedly attached to the first structural plate and the second structural plate.