Separator Plate Flow Structure for Uniform Media Distribution
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Solution Overview
Problem
Existing separator plates in electrochemical systems often fail to meet the increasing efficiency requirements due to inadequate media distribution and flow management, leading to inefficient operation.
Innovation Solution
A separator plate design featuring a distributing or collecting structure with multiple line ducts and openings, where the line ducts adjoin passages on the bead flank and have varying cross sections and orientations, allowing for targeted media distribution and collection, enhancing fluidic connectivity between the media ducts and the electrochemically active region.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional bead assemblies with simple passages are used, then the structure is simple and easy to manufacture, but the media distribution efficiency is insufficient
Solution Approach 1:
The bead assembly is segmented into multiple functional zones: a plurality of passages through the bead flank, multiple line ducts adjoining these passages, and numerous openings distributed across the separator plate. This segmentation allows media to be distributed through multiple independent pathways, significantly improving media distribution efficiency while maintaining a modular structure that can be manufactured using standard processes.
Solution Approach 2:
Different regions of the separator plate are provided with different densities and arrangements of openings and line ducts. The distributing structure features local variations in opening size, shape, and distribution pattern, allowing optimized media flow to specific active regions based on their individual requirements. This local quality approach enhances overall system efficiency without requiring complete structural redesign.
2Productivity
If uniform line ducts are used, then the manufacturing is simpler, but the media flow distribution is inadequate
Solution Approach 1:
The line ducts are designed with asymmetric characteristics, including varying cross-sectional areas, different orientations, and non-uniform spacing. Some line ducts have larger cross-sections to handle higher flow rates, while others are more narrowly configured. The asymmetric arrangement of openings relative to the line ducts creates optimized flow patterns that better distribute media across the active regions, improving media flow distribution beyond what uniform designs can achieve.
3Reliability
If the bead assembly passages are not optimized, then the structure is simpler, but the fluidic connection between media ducts and active region is insufficient
Solution Approach 1:
The invention merges multiple previously separate components into an integrated distributing structure: the passages through the bead flank are directly combined with multiple line ducts that adjoin them, which in turn connect to numerous openings. This merging creates continuous, optimized fluidic pathways that reliably connect the media ducts through the bead assembly to the active regions. The integrated design ensures proper sealing and connection without requiring additional components or complex assembly steps.
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 improves media distribution and flow efficiency, increasing the overall performance of the electrochemical system by optimizing the spatial distribution of media flow through the separator plate.
Implementation Method 1
at least one of the flanks of the bead assembly has a multiplicity of passages for directing a medium through the bead flank
Implementation Method 2
a distributing or collecting structure for distributing media, or for collecting media, respectively, wherein the distributing or collecting structure has a multiplicity of line ducts and a multiplicity of openings
Data Source
AI summary
A separator plate for an electrochemical system, comprising: at least one of the flanks of the bead assembly has a multiplicity of passages for directing a medium through the bead flank, and a distributing or collecting structure has a multiplicity of line ducts and a multiplicity of openings, wherein the line ducts adjoin the passages in the bead flank on an external side of the bead assembly, wherein the openings are disposed on a side of the distributing or collecting structure that faces away from the bead assembly and, are fluidically connected to a bead interior.