Cell Stack Edge Isolation Structure Against Plate Deformation
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Solution Overview
Problem
The deformation of media distributor plates in cell stacks can lead to short circuits due to touching edges, which is a concern for cost and space efficiency, and existing solutions like edge reinforcements or subgaskets are not sufficient to prevent this issue.
Innovation Solution
A cell stack design where media distributor plates are aligned to form the edge, with intermediate isolation layers surrounding them to prevent contact and include beads or protrusions to absorb kinetic energy, reducing the risk of short circuits and deformation damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of stationary object
If material thickness of media distributor plates is minimized for cost and space savings, then cost and space are reduced, but edge deformation occurs during production and transport
Solution Approach 1:
The patent applies beforehand cushioning by providing intermediate layers with edge reinforcements that extend beyond the media distributor plates before assembly. These reinforcements act as protective elements that prevent edge deformation and short circuits during production, transport, and operation, allowing the use of thinner plates without compromising structural integrity.
2Weight of stationary object
If material thickness of media distributor plates is minimized, then cost and space are reduced, but short circuits occur due to adjacent plates touching
Solution Approach 1:
The patent employs intermediary elements in the form of intermediate layers with edge reinforcements that extend beyond the media distributor plates. These reinforcements act as mediators that physically separate adjacent conductive plates, preventing direct contact and electrical short circuits while enabling the use of thinner, more cost-effective plate materials.
3Reliability
If isolating intermediate layers extend far beyond media distributor plates to prevent short circuits, then short circuit prevention is improved, but device complexity and material usage increase
Solution Approach 1:
The patent merges the intermediate layer with edge reinforcement elements into a single integrated component. This combination achieves reliable short circuit prevention through extended edge coverage while simplifying the overall structure by eliminating separate reinforcement components, thereby reducing device complexity and assembly steps.
Data Source
AI summary
The presented invention relates to a cell stack (100) for distributing media in a system (101), wherein the cell stack (100) comprises:a multiplicity of media distributor plates (103a, 103b, 103c, 301, 303),a multiplicity of intermediate layers (105a, 105b, 105c, 105d),wherein respective intermediate layers (105a, 105b, 105c, 105d) are arranged between two media distributor plates (103a, 103b, 103c, 301, 303) and electrically isolate the latter from one another, and wherein at least the respective media distributor plates (103a, 103b, 103c, 301, 303) are arranged in alignment with one another in the cell stack (100), so that an outer edge (109) of the media distributor stack (100) is formed by at least respective edges of the media distributor plates (103a, 103b, 103c, 301, 303).The presented invention also relates to a production method (200).