Post-Processing for Bipolar Plates: Innovation and Flexibility
Efficiency and Precision in Post-Processing
Efficiency, quality, and flexibility—three key factors in the production of bipolar plates. However, it is only through well-planned post-processing that their full potential can be realized.
Post-processing includes all processing steps that take place after the pressing of a bipolar plate. This involves mechanical, thermal, and chemical processes designed to optimize material properties, ensure dimensional stability, and guarantee the plate’s functionality. IAG has developed a modular system that can be tailored to specific requirements and flexibly expanded as needed.
Flexibility with the Modular IAG Post-Processing System
- Customized Integration
The IAG post-processing system allows for a gradual adaptation to specific production requirements. Customers benefit from flexible scalability without having to commit to a fixed configuration too early.
- Expertise and Technology Pathways
Through extensive feasibility studies and close collaboration with partners, IAG analyzes potential options and integrates tailored solutions into the system. This results in practical concepts that ensure maximum efficiency.
- Scalability for Future Demands
IAG’s modular system evolves with production needs. New processing steps can be seamlessly integrated at any time to accommodate increasing production volumes and changing market demands.
Ensuring the Highest Quality Standards
The IAG post-processing system guarantees the highest quality standards in bipolar plate manufacturing. The precise coordination of all process steps ensures efficient and cost-effective production—with maximum process reliability and sustainability.
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Image: Advantages of the IAG System
Key Steps in Post-Processing
After the pressing process, each bipolar plate undergoes targeted post-processing steps to ensure the highest quality and functionality:
- Component Marking
Codes for traceability—essential for a lifespan of up to 100,000 hours.
- Through-Holes
Punching, milling, or laser cutting to incorporate channel structures as needed.
- Quality Control
Inspection of thickness, homogeneity, and weight to guarantee stable production.
- Surface Treatment
Enhancement of material properties using laser, plasma, or sandblasting techniques.
- Thermal Post-Treatment
Processes such as annealing or post-curing to optimize component characteristics.
- Controlled Cooling Under Pressure
Ensuring dimensional stability and reducing internal stresses.
- Cleaning Steps
Removal of residues, e.g., deburring, to prepare for subsequent processing steps.
- Precision Cutting
High-accuracy adjustments for maximum fit and precision.
- Sealant Application
Preparation of the bipolar plate for efficient assembly.