Vehicle Battery Pack Partitioned Cell Arrays for Compact Packaging
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Solution Overview
Problem
The increasing demand for driving range and the number of electrical devices in modern motor vehicles leads to larger vehicle battery packs that occupy more space and have a complex internal structure, necessitating improved space utilization and structural simplification.
Innovation Solution
A vehicle battery pack design featuring a first array of battery cells, a second array supported by a partition plate and support members, with integrated thermal management and flexible sampling capabilities, enhancing space efficiency and structural simplicity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If the battery pack size is increased to meet higher power demand, then the power capacity is improved, but the space occupied and structural complexity increase
Solution Approach 1:
The battery pack is divided into multiple battery modules, each containing a specific number of battery cells arranged in series. This modular segmentation allows the overall battery pack to achieve high power capacity while maintaining manageable internal structure through standardized module repetition rather than complex custom arrangements.
2Power
If more battery cells are added to increase power capacity, then the power demand is met, but the space occupied by the battery pack increases
Solution Approach 1:
Battery cells are arranged in a three-dimensional configuration with multiple layers stacked vertically, where each layer contains battery cells arranged in series. This multi-dimensional arrangement allows high power capacity to be achieved within a compact volume by utilizing vertical space and layered structures rather than simple linear extension.
Solution Approach 2:
Multiple battery modules are nested within the battery pack housing in a compact arrangement, with each module containing nested components such as battery cells, module housings, and structural elements. This nesting approach maximizes space utilization and reduces overall battery pack volume while maintaining high power capacity.
3Ease of manufacture
If the battery pack structure is simplified to reduce production resources, then manufacturing efficiency is improved, but space utilization and structural support may be compromised
Solution Approach 1:
The module housing serves multiple functions simultaneously: it provides structural support for battery cells, acts as an electrical isolation barrier between modules, provides thermal management pathways, and serves as a protective enclosure. This multi-functionality simplifies the overall structure by eliminating the need for separate components, reducing production resources while maintaining effective space utilization.
Solution Approach 2:
Multiple functional elements are merged into integrated components, such as combining structural support beams with thermal management channels, or integrating electrical isolation features directly into the module housing. This merging reduces the total number of parts, simplifies manufacturing processes, and improves space utilization by eliminating gaps between separate components.
Data Source
AI summary
The present disclosure relates to a battery pack. The battery pack includes a first array including a plurality of first battery cells arranged side by side, a second array including multiple second battery cells arranged side by side, a plurality of partition plates located between the first array and the second array and configured to electrically isolate the first array from the second array, and a plurality of support members located between the first array and the second array, wherein the second array is supported against the first array via the plurality of support members.