Segmented End Plate for Energy Storage Binding Force Control
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Solution Overview
Problem
Conventional energy storage apparatuses with end plates experience deformation due to binding forces, which can lead to structural instability and inefficiencies in energy storage and discharge.
Innovation Solution
The energy storage apparatus incorporates an end plate with distinct regions: a binding region for the binding member, a fixing region attached to the outer covering, and a high rigidity region that enhances structural integrity without relying on other members, using overlapping plate members and projecting portions to increase rigidity while minimizing material and weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If the binding member applies a binding force to the energy storage devices using the end plate, then the energy storage devices are securely held, but the end plate deforms due to the applied force
Solution Approach 1:
The end plate is divided into multiple regions with different rigidity characteristics: a first region with lower rigidity that allows controlled deformation to absorb binding forces, and a second region with higher rigidity that maintains structural integrity. This segmentation enables the end plate to both apply binding force and resist deformation in different areas simultaneously.
Solution Approach 2:
Different regions of the end plate are designed with different rigidity properties to fulfill different functions. The first region has lower rigidity to allow deformation under binding force, while the second region has higher rigidity to maintain overall structural stability. This local differentiation of material properties resolves the contradiction between applying force and maintaining strength.
2Strength
If the end plate is made entirely of high rigidity material, then deformation is suppressed, but the binding member cannot effectively apply binding force to the energy storage devices
Solution Approach 1:
The end plate is segmented into regions with different rigidity characteristics. The first region has lower rigidity to allow effective application of binding force to the energy storage devices, while the second region has higher rigidity to suppress overall deformation. This segmentation enables both functions to coexist without conflict.
Solution Approach 2:
The end plate exhibits local quality variations where different regions have different rigidity properties. The first region is designed with lower rigidity to facilitate binding force application, while the second region has higher rigidity to maintain structural integrity. This local differentiation allows the end plate to perform both binding and structural functions simultaneously.
Data Source
AI summary
An energy storage apparatus includes an energy storage device, an outer covering, an end plate which is disposed on a side of the energy storage device, and a binding member which is mounted on the end plate and applies a binding force to the energy storage device. The end plate includes a region where the binding member is mounted, another region which differs from the region and has a higher rigidity than the region, a first plate member which includes the region, and a second plate member which includes a part of the another region. The first plate member is disposed between the energy storage device and the second plate member.