Battery Structural Assembly With Aerogel Barriers Between Adjacent Cells
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Solution Overview
Problem
Existing battery structures in vehicles face challenges in effectively managing heat transfer between adjacent battery cells, leading to potential thermal issues and reduced efficiency.
Innovation Solution
A structural assembly featuring insulative structures with ribs and air gaps, combined with a silica aerogel insulation material, is used to create multiple thermal insulation barriers between battery cells, inhibiting heat transfer and enhancing structural integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If battery cells are placed adjacent to each other in a compact arrangement, then space utilization is improved, but heat transfer between adjacent battery cells increases
Solution Approach 1:
An insulation material is introduced as an intermediary substance between adjacent battery cells. This insulation material acts as a thermal barrier that reduces heat transfer between cells while occupying minimal space, thus resolving the contradiction between compact arrangement and heat isolation.
Solution Approach 2:
The space between battery cells is segmented into distinct regions: the battery cell itself, the insulation material layer, and the structural assembly. This segmentation allows for optimized thermal management by creating dedicated thermal barrier zones without compromising the compact overall structure.
2Stability of the object's composition
If insulation material is added between battery cells to reduce heat transfer, then thermal stability is improved, but device complexity increases
Solution Approach 1:
The insulation material is integrated with the structural assembly that already exists in the battery pack design. By merging the thermal insulation function with the structural support function, the patent achieves thermal stability without proportionally increasing device complexity, as the same structural components serve dual purposes.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively reduces heat transfer between adjacent battery cells, maintaining thermal stability and improving the structural integrity of the battery system.
Implementation Method 1
The insulation material is disposed between and contacting the first side wall and the second side wall... effectively reduces heat transfer between adjacent battery cells
Implementation Method 2
the insulation material is silica aerogel pad having a constant thickness; the thickness of the aerogel pad is greater than a thickness of the first side wall and the thickness of the aerogel pad is greater than a thickness of the second side wall
Data Source
AI summary
A structural assembly includes a first structure, a second structure, and an insulation material. The first structure defines a first pocket that is configured to receive a first battery cell. The first structure includes a first side wall and at least one first rib located between the first battery cell and the first side wall to define a first gap between the first battery cell and the first side wall. The second structure defines a second pocket that is configured to receive a second battery cell. The second structure includes a second side wall and at least one second rib located between the second battery cell and the second side wall to define a second gap between the second battery cell and the second side wall. The insulation material is disposed between and contacts the first side wall and the second side wall.