Flexible Graphite Bipolar Plate Assembly | ATOMFAIRProduct Type: Flexible graphite bipolar plate assembly
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For model selection, accessory matching, platform compatibility or configuration confirmation, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
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Supplier: Atomfair
Brand: ATOMFAIR®
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The assembly requires precise dimensional verification and flatness control to ensure proper stack integration. Permeability must be confirmed against the stack design to prevent gas crossover.
- Dimensional Precision Requirement: Thickness tolerance of ±0.02 mm and flatness ≤0.03 mm must be verified before assembly to avoid uneven compression.
- Permeability Constraint: Permeability must not exceed 2×10⁻⁸ cm³/(cm²·s) to maintain gas separation integrity in the stack.
Inspect the plate for dimensional accuracy and surface integrity before stack integration. Confirm thickness, flatness, and permeability against the stack design specifications.
Required Equipment: Micrometer or thickness gauge, Flatness measurement tool (e.g., granite surface plate with dial indicator)
- Measure thickness
Measure the plate thickness at multiple points using a micrometer to confirm it falls within the 1.4–1.6 mm range with ±0.02 mm tolerance. - Verify flatness
Place the plate on a flat reference surface and measure deviation to ensure flatness is ≤0.03 mm. - Check permeability
Perform a gas permeability test to confirm the value does not exceed 2×10⁻⁸ cm³/(cm²·s) for the intended stack design.
What is the maximum flatness tolerance for the Atomfair AF-FG-BP462 flexible graphite bipolar plate assembly?
The flatness is ≤0.03 mm, which is critical for achieving uniform compression and low contact resistance across the stack. This tolerance, combined with a thickness precision of ±0.02 mm, ensures consistent sealing and electrical performance in PEM fuel cell or electrolyzer assemblies.
Can the 462 x 122 mm flexible graphite bipolar plate assembly be customized for specific stack designs?
Yes, the plate can be customized to meet specific stack requirements. The source specifies that users should share the required thickness range, bending strength, and sealing expectations when ordering. The standard bending strength is ≥30 MPa, and custom adjustments can be evaluated for compatibility.
The Atomfair flexible graphite bipolar plate assembly (model AF-FC-G-FGBP-4621-0004) provides high conductivity (≥220 S/cm) and low contact resistance (3.5–4 mohm-cm) with tight dimensional precision (±0.02 mm) and flatness (≤0.03 mm), making it suitable for laboratory-scale fuel cell stack prototyping. However, the 1.4–1.6 mm thickness range requires specification confirmation before ordering, and all listed performance parameters must be cross-checked against the target stack design to ensure compatibility.
Positive
- High conductivity and low contact resistance: Conductivity ≥220 S/cm and contact resistance of 3.5–4 mohm-cm enable efficient electron transport and minimal interfacial losses in bipolar plate assemblies.
- Tight dimensional precision and flatness: Thickness tolerance of ±0.02 mm and flatness ≤0.03 mm ensure consistent stack compression and uniform current distribution across the plate.
Trade-offs
- Thickness range requires specification confirmation: The assembly is supplied within a 1.4–1.6 mm range; the exact target thickness must be confirmed before ordering to match the stack design's compression and sealing requirements.
- Parameter compatibility must be verified per stack design: All performance parameters (precision, flatness, conductivity, contact resistance, permeability) must be checked against the specific stack design to ensure operational fit, as noted in the specification notes.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
