Measurement Solutions for Fuel Cell Industry

Applications

  • Membrane Electrode Assembly (MEA)
  • Catalyst Coated Membrane (CCM)
  • Gas Diffusion Layer (GDL)
  • Bipolar Plates
  • Deposition Processes (Extrusion, slurry deposition, doctoral blade)
  • Drying Processes
  • Degradation Monitoring

Measurements

  • Sheet Resistance [Ω/□]
  • Metal Layer thickness [nm to µm]
  • Coating Thickness [nm to µm]
  • Coating Weight Distribution
  • Thickness Homogeneity
  • Mapping for Defects

Benefits

  • Non-contact
  • High Accuracy
  • High Speed

Solutions

Single Point

EddyCus® lab Series

Imaging

EddyCus® map Series

Volume

EddyCus® inline R Series

Product photo of the EddyCus® inline R ringsensor for slurry, paste and fluid monitoring isometric view

Inline

EddyCus® inline Series

Eddy current inline sensor measures sheet resistance on a foil

Results

Map of the carbon area weight of non-woven gdl

Carbon Area Weight of Non-woven GDL

Imaging of a bipolar plate

Bipolar Plate

Chart shows the slurry concentration depending on imaginary and real value

Slurry Concentration

The chart shows how the sheet resistance is used to measure the residual moisture of an anode coating over time to indicate the dry status.

Residual Moisture Anode Coating
Drying Status Over Time

Drying Time of Wet Coatings

Example photo for PtC for PEM applications

Slurry and Powder Quality

Example photo for Fuel Cell bipolar plate applications

Bipolar Plates

Example photo for GDL gas diffusion layer - Carbon fiber material applications

Gas Diffusion Layer – GDL