Cylindrical Cell Busbar Layout for Compact Battery Pack Assembly
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Solution Overview
Problem
Existing battery cell arrangements face inefficiencies and space constraints due to cumbersome cell-to-cell busbar plates, which complicate electrical connections and require significant space within the battery pack.
Innovation Solution
A battery cell arrangement featuring cylindrical battery cells with positive and negative busbar plates arranged on the same side, allowing direct electrical contact through openings and impressions, facilitating assembly, routing, and reducing space requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If traditional cell-to-cell busbar plates are used for electrical connections between battery cells, then electrical connectivity is achieved, but space consumption increases and assembly complexity increases
Solution Approach 1:
The patent merges the positive and negative busbar plates into a single integrated component structure. The busbar plate contains both positive terminals and negative terminals in specific patterns, allowing multiple battery cells to be connected simultaneously through one component rather than requiring separate positive and negative busbar plates for each cell connection, thereby reducing space consumption and assembly complexity
Solution Approach 2:
The busbar plate is designed as a universal component that can connect multiple battery cells of different polarities through its integrated positive and negative terminals. This multi-functional design eliminates the need for separate dedicated busbar plates for each cell connection, simplifying the overall system and reducing the number of components required
2Ease of operation
If traditional cell-to-cell busbar plates are used for electrical connections, then electrical connectivity is established, but routing becomes more difficult and space requirements increase
Solution Approach 1:
By combining positive and negative terminals into a single busbar plate component with an integrated pattern arrangement, the patent enables more straightforward routing of electrical connections. The centralized design allows cables to be routed from a single location rather than requiring separate routing paths for multiple discrete busbar plates, simplifying the routing process and reducing space requirements
3Productivity
If multiple separate busbar plates are used for each battery cell connection, then electrical connectivity is ensured, but the number of components increases and assembly becomes more complex
Solution Approach 1:
The patent consolidates multiple separate busbar plates into a single integrated busbar plate component that can connect multiple battery cells simultaneously. This merging reduces the total number of components from multiple separate plates to one unified structure, thereby improving assembly efficiency and reducing device complexity
Solution Approach 2:
The busbar plate is designed with a segmented terminal pattern that includes both positive and negative terminals arranged in specific patterns. This segmentation allows the single component to interface with multiple battery cells in an organized manner, maintaining electrical connectivity while reducing the overall number of components required
Data Source
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AI summary
A battery cell arrangement (110) comprising: a plurality of cylindrical battery cells (120, 122), a negative busbar plate (130) arranged supported on a top surfaces (122a) of the plurality of cylindrical battery cells (120, 122), and a positive busbar plate (140) arranged electrically isolated from, and supported on, the negative busbar plate (130), the positive busbar plate (140) comprising a plurality of positive busbar terminals (144, 144a), and the negative busbar plate (130) comprising a plurality of first openings (132, 132a), wherein the positive busbar plate (140) comprises a plurality of second openings (146, 146a) and wherein each one of the positive busbar terminals (144, 144a) is arranged in contact with a corresponding positive terminal (124) of the plurality of cylindrical battery cells (120, 122), and each one of the negative terminal (126) of the plurality of cylindrical battery cells (120, 122) is arranged in contact with the negative busbar plate (130) at associated second openings (146, 146a) of the positive busbar plate (140).