Sandvik Sanergy® LT pre-coated strip steel for bipolar plates for PEM FC

Pre-coated strip steel with a thin multilayer coating for bipolar plates used in proton exchange membrane (PEM) fuel cell applications. Sandvik pre-coated strip for PEM FC is adapted to large scale production of bipolar plates. Combined with high-speed stamping or forming, the pre-coated coil provides an outstanding opportunity for the cost-effective industrial mass production of bipolar plates for PEM FC.

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Sandvik's production of coated strip for PEM FC bipolar plates uses an advanced, environmentally friendly vacuum-coating process.

Main characteristics of Sandvik Sanergy® LT coated strip steel for PEM FC bipolar plates

  • Good interfacial contact resistance according to DoE (US Dept. of Energy) requirements (< 10 mΩ cm-2), comparable with gold or graphite
  • Corrosion in PEMFC environment < 1 µA/cm2
  • Gas-tight material
  • Low electrical degradation (less than 0.5%/1000 h)
  • Good processing and forming characteristics

Fuel cells

Read more about fuel cells and our materials for fuel cells.

Read about our Fuel Cell pilot project undertaken with Sandviken's Municipality