One-Piece Battery Module Housing for Flexible Traction Battery Packaging
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Solution Overview
Problem
Existing traction battery designs face challenges in optimizing installation space within vehicles to maximize battery capacity while maintaining a large passenger compartment volume, requiring adaptable housing components that vary in size and shape to accommodate different module components.
Innovation Solution
A one-piece housing component that delimits the module interior on at least three sides, allowing for flexible and efficient production of traction batteries with different specifications by accommodating various module components, such as battery cells and power electronics, and enabling scalable and cost-effective assembly with standardized external dimensions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If housing components are designed with varying sizes and shapes to accommodate different module components, then adaptability to different specifications is improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent applies universality by designing a standardized housing component with universal dimensions and features that can accommodate multiple types of module components (battery cells, power electronics, control systems) through configurable internal arrangements. The housing serves multiple functions: structural support, thermal management interface, and mechanical assembly platform, all through a single standardized design rather than requiring different housings for different applications.
2Adaptability or versatility
If multiple different housing components are produced for different battery specifications, then adaptability is improved, but manufacturing cost and time increase
Solution Approach 1:
The patent applies segmentation by dividing the battery system into standardized modular components (battery modules) that can be configured in different arrangements within the same housing type. This allows a single housing design to support multiple battery specifications through different module configurations, eliminating the need to manufacture multiple housing variants and significantly improving manufacturing efficiency.
3Quantity of substance
If housing components are designed to maximize battery capacity, then energy storage is improved, but installation space optimization becomes more difficult
Solution Approach 1:
The patent applies dimensional analysis by establishing standardized housing dimensions that optimize the ratio of internal volume to external footprint across different battery capacities. The standardized design allows vertical stacking and modular arrangement of battery modules, enabling maximum capacity utilization while maintaining consistent installation space requirements across different specifications.
Data Source
AI summary
A battery module includes a housing component that delimits a module interior and is intended for accommodating at least one module component. The housing component is formed as one piece and delimits the module interior at least on three sides.