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Fuel Cell Plates

Fuel Cell Bipolar Plate - TF6

SGL Carbon SE

  • Graphite composite bipolar plate
  • Produced from expanded natural graphite
  • Good electrical conductivity
  • High chemical resistance
  • Light weight
  • Available in large dimensions

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Description Vendor

Fuel Cell Bipolar Plate are made of graphite composite material and are primarily used in flow batteries and fuel cells. They are also suitable for other electrochemical applications. These plates are considered the best material for ambitious cell chemistry due to their excellent properties such as good electrical conductivity, high chemical resistance, light weight, and availability in large dimensions. They are designed to provide reliable electrochemical performance with high durability and efficiency. The product is engineered to meet the demanding requirements of advanced electrochemical systems, ensuring optimal performance and longevity.

Use Cases

  • Flow batteries
  • Fuel cells
  • Other electrochemical applications

Capabilities

  • Polymer type: Fluoropolymer
  • Polymer content: 6 %
  • Density: 1.75 g/cm³
  • Thickness: 0.6 mm
  • Tensile strength (ASTM F152D): 20 MPa
  • Compressive strength (ASTM F1574): 140 MPa
  • Electrical resistivity perpendicular to surface at 1 MPa: 2000 Ωµm
  • Electrical resistivity parallel to surface: 7 Ωµm
  • Helium permeability at 1 barg: <1×10⁻³ mg/(s×m²)
  • Total impurities: <150 ppm
SGL Carbon SE SGL Carbon SE is a manufacturing company specializing in carbon and graphite materials for hydrogen fuel cells and electrolyzers. The company generally operates upstream of complete system integrators, supplying engineered materials or precision components whose chemical, mechanical, electrical, sealing, surface, or transport properties are specified for use inside larger industrial equipment. The business is specification-driven and B2B, with materials or components selected according to the performance requirements of the customer’s finished hydrogen equipment and then manufactured or processed to the required form. In hydrogen, the company’s role is tied to the specific material or component applications described in its portfolio, where compatibility with hydrogen and the operating environment can affect durability, permeability, conductivity, corrosion behavior, sealing, or structural performance. Its hydrogen-relevant portfolio includes graphite bipolar-plate materials, gas-diffusion components, and carbon-based solutions used in electrochemical stacks. These materials are engineered for electrical conductivity, corrosion resistance, gas distribution, and scalable stack manufacturing. Within the hydrogen value chain, SGL Carbon SE therefore operates mainly as a specialist material or component supplier to OEMs, stack manufacturers, pressure-system manufacturers, plant builders, and other companies producing hydrogen equipment.
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