Flexible Graphite Prefabricated Plate | ATOMFAIRProduct Type: Flexible graphite prefabricated plate
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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This prefabricated graphite plate requires dimensional customization to match the target molding process and final bipolar plate size. Material purity specifications (sulfur ≤50 ppm, iron ≤68 ppm, carbon ≥99.95%) and density (0.1 g/cm3) must be verified against the graphite plate process requirements.
- Dimensional Customization: The plate dimensions must be customized to fit the specific molding process and final bipolar plate size.
- Material Purity: Sulfur content must be ≤50 ppm, iron content ≤68 ppm, and carbon content ≥99.95% for compatibility with graphite plate production.
- Density Requirement: The plate density of 0.1 g/cm3 must be compatible with the bipolar plate process.
- Thickness Specification: The plate thickness must be specified within the 4-7 mm range according to the final plate requirements.
How does the low density (0.1 g/cm³) of the flexible graphite prefabricated plate affect mechanical stability during bipolar plate production?
The low density of 0.1 g/cm³ indicates a highly porous structure, which typically reduces mechanical strength. However, the product is described as having good mechanical properties and is designed as a preform for graphite bipolar plates, where subsequent compression and impregnation during the bipolar plate manufacturing process can densify the material. No specific strength values are provided, so mechanical behavior should be validated under the customer's specific molding or compression conditions.
What is the significance of the sulfur (≤50 ppm) and iron (≤68 ppm) content limits for corrosion resistance in PEM fuel cell bipolar plates?
The ultra-low sulfur and iron content limits (≤50 ppm and ≤68 ppm respectively) minimize galvanic corrosion and prevent contamination of the membrane electrode assembly in PEM fuel cell environments. Combined with high carbon content (≥99.95%), these impurity controls ensure stable electrical conductivity and long-term corrosion resistance, making the plate suitable for demanding electrochemical applications.
Why is a carbon content of ≥99.95% critical for the performance of flexible graphite preforms in bipolar plate applications?
A carbon content ≥99.95% ensures excellent electrical conductivity and inherent corrosion resistance, which are essential for efficient current collection and durability in fuel cell stacks. The low ash and iron content further reduce potential contamination points, maintaining the high purity required for consistent bipolar plate performance and long operational life.
The Atomfair flexible graphite prefabricated plate (model AF-FG-PF47) is a high-purity carbon preform (≥99.95%) with low sulfur and iron content, designed for subsequent processing into graphite bipolar plates. Its customizable dimensions (4-7 mm thickness) and low density (0.1 g/cm3) offer flexibility for R&D and pilot production, but require careful specification and material property verification before ordering.
Positive
- High purity and low contaminants: Carbon content ≥99.95% with sulfur ≤50 ppm and iron ≤68 ppm, providing a clean starting material for graphite bipolar plate production.
- Good conductivity and corrosion resistance: The prefabricated plate exhibits good electrical conductivity, mechanical properties, and strong corrosion resistance, suitable for demanding electrochemical environments.
Trade-offs
- Custom order specification required: Dimensions, thickness (4-7 mm), and quantity must be confirmed before pricing; this is not a standard off-the-shelf item and requires pre-order coordination.
- Material content verification needed: Density, sulfur, iron, and carbon content must be reviewed against the specific requirements of the user's graphite plate manufacturing process to ensure compatibility.
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).
