Battery Container with Frictionless Layer and Reservation Region
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Solution Overview
Problem
Conventional flexible battery containers face issues with structural integrity and safety due to severe friction between battery cells and the case, especially when stacked and bent, as they lack sufficient space for the fan-shaped end formed during deformation.
Innovation Solution
A battery container design featuring a flexible pack with accommodation and reservation regions, incorporating a frictionless layer between battery cells and the pack, and using fixing elements to manage the fan-shaped end, allowing for reduced friction and additional space for the extended end during bending.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If battery cells are stacked and placed into a flexible case, then the battery structure is formed, but severe friction acts on the surfaces among battery cells and between the case and battery cell when bent
Solution Approach 1:
A frictionless layer is introduced as an intermediary between the battery cells and the flexible case. This layer has lower friction coefficient and reduces the frictions acting on the surfaces of the battery cells and the flexible pack during bending operations.
Solution Approach 2:
The friction coefficient parameter is changed by introducing a frictionless layer with lower friction characteristics. This parameter change reduces the harmful friction forces while maintaining the structural integrity of the battery assembly during bending.
2Adaptability or versatility
If multiple battery cells are stacked and bent, then the battery provides flexibility, but the end of the stacked battery cells extends as a fan-shaped end requiring additional space
Solution Approach 1:
The flexible pack is segmented into two distinct regions: an accommodation region for the battery cells and a reservation region for the fan-shaped end. This segmentation allows the battery structure to accommodate bending deformation while maintaining organizational structure.
Solution Approach 2:
The reservation region provides additional spatial dimension for the fan-shaped end to extend into during bending. This dimensional accommodation allows the battery to achieve flexibility without compromising the compactness of the main battery structure.
3Adaptability or versatility
If the flexible case has no enough space for the fan-shaped end, then bending is limited, but the structural integrity and safety of battery cells are impacted
Solution Approach 1:
The reservation region is pre-designed and prepared in advance to accommodate the fan-shaped end during bending. This preliminary spatial arrangement ensures that when bending occurs, the fan-shaped end has predetermined space to extend into, preventing structural damage and maintaining safety.
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
This design enhances the structural integrity, safety, and bending ability of the battery container by minimizing friction and providing a dedicated space for the fan-shaped end, thereby improving overall performance.
Implementation Method 1
The frictionless layer has lower friction coefficient so that it can reduce the frictions acting on the surfaces of the battery cells as well as of the flexible pack
Data Source
AI summary
A battery container includes a flexible pack including an accommodation region; and at least one reservation region substantially connected to the accommodation region; and a battery set that is bent and disposed within the accommodation region, and that has two ends, at least one end forming a fan-shaped end after bending, and being disposed within one reservation region, and that includes a plurality of battery cells that are stacked and electrically connected; at least one friction-reducing layer disposed on at least one surface of each battery cell; and at least one fixing element that fixes the plurality of battery cells to one another, wherein the two ends have respective shapes that are due to different deformations of each battery cell of the plurality of battery cells as the flexible pack and the battery set are bent. Structural integrity, safety and bending ability of the battery set is greatly improved.