Battery Reinforcing Bracket Structure for Cell Stability and Energy Density
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Solution Overview
Problem
Existing battery designs face issues with low structural strength and reduced energy density due to the use of limiting members that occupy excessive space, leading to ineffective cell limitation and instability.
Innovation Solution
A reinforcing bracket with a connecting bracket and partition members that form placement spaces for battery cells, utilizing first and second reinforcing plates to enhance structural strength and stability, while minimizing space usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If multiple limiting members are disposed in the box to ensure structural strength between adjacent battery cells, then structural strength is improved, but a large space is occupied and energy density is reduced
Solution Approach 1:
The patent merges the functions of multiple limiting members into a single integrated reinforcing bracket that includes a connecting bracket and multiple partition members. This unified structure provides the necessary structural strength between adjacent battery cells while occupying significantly less space than multiple separate limiting members, thereby improving energy density without sacrificing structural integrity.
Solution Approach 2:
The reinforcing bracket serves multiple functions simultaneously: it acts as a limiting member to position battery cells, provides structural reinforcement between cells, and maintains the overall structural strength of the battery assembly. This multi-functional design eliminates the need for separate components, reducing space occupation while achieving the desired structural performance.
2Strength
If multiple limiting members are disposed in the box to ensure structural strength between adjacent battery cells, then structural strength is improved, but the limiting members cannot effectively limit the battery cells
Solution Approach 1:
The reinforcing bracket is segmented into multiple partition members that are spaced apart along the first direction, creating distinct placement spaces for individual battery cells. Each partition member independently limits adjacent battery cells, ensuring effective positioning and stability while maintaining structural strength across the entire battery assembly.
Solution Approach 2:
The connecting bracket connects the partition members into a unified reinforcing structure that provides both individual cell limitation and overall structural strength. This combined structure ensures that each battery cell is effectively limited while the entire assembly maintains the necessary structural integrity.
3Quantity of substance
If a reinforcing bracket is disposed to include partition members spaced apart along the first direction, then placement space is formed for battery cells, but structural strength may be reduced
Solution Approach 1:
The connecting bracket merges the partition members into a unified structure that distributes and reinforces structural strength across the entire reinforcing bracket. This ensures that the placement spaces formed by the spaced partition members do not compromise the overall structural integrity, maintaining both energy density and structural strength.
Solution Approach 2:
The partition members are pre-positioned and connected by the connecting bracket to form a stable reinforcing structure before battery cells are installed. This preliminary configuration ensures that the structural strength is established in advance, preventing potential weakness at the partition locations while maintaining the placement spaces for battery cells.
Data Source
AI summary
A battery includes a plurality of battery cells, the reinforcing bracket includes a connecting bracket and a plurality of partition members, the connecting bracket includes a first reinforcing plate, a plurality of avoidance holes that are spaced apart along a first direction are provided on the first reinforcing plate, the plurality of partition members are spaced apart along the first direction on the connecting bracket, and a placement space is defined between the adjacent partition members and the connecting bracket.