Mixed-Length Battery Cell Layout for Impact Strength
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Solution Overview
Problem
The structural strength of batteries is poor, making them susceptible to damage in collisions and other impacts.
Innovation Solution
A battery design that includes a combination of longer first battery cells and shorter second battery cells, where the first battery cells are adjacent and connected to the second battery cells, enhancing the structural strength and stability of the battery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If all battery cells are made with uniform length, then manufacturing is simple and assembly is easy, but structural strength is poor and cells are vulnerable to damage in collisions
Solution Approach 1:
The battery is segmented into different cell types (first battery cells with longer length and second battery cells with shorter length) arranged in different positions. This segmentation allows the battery to have varying structural characteristics in different regions, with longer cells providing enhanced strength in collision-prone areas while shorter cells optimize space utilization in other regions.
Solution Approach 2:
Different battery cells are assigned different lengths based on their local structural requirements. The first battery cells have a longer length to provide enhanced structural strength in specific positions, while the second battery cells have a shorter length to optimize space utilization in other positions, creating a non-uniform but optimized overall structure.
2Strength
If longer battery cells are used throughout, then structural strength is improved, but space utilization rate decreases and manufacturing complexity increases
Solution Approach 1:
The battery structure is divided into different cell types with varying lengths. First battery cells with longer length are placed in positions requiring enhanced strength, while second battery cells with shorter length are placed in positions where space optimization is prioritized, achieving both strength and space utilization goals simultaneously.
Solution Approach 2:
The battery employs local quality variation by assigning different cell lengths to different positions based on specific functional requirements. This allows the structure to have enhanced strength where needed while maintaining compact dimensions and high space utilization in other areas.
Data Source
AI summary
A battery and an electric device are provided. The battery includes a plurality of battery cells, and the plurality of battery cells includes at least one first battery cell and at least one second battery cell. A length of the at least one first battery cell is greater than a length of the at least one second battery cell, and the at least one first battery cell is adjacent to and connected to the at least one second battery cell.