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Direct - Catalyst Coated Membrane  Manufacturing Equipment for Polymer Electrolyte Fuel Cell

Direct - Catalyst Coated Membrane  Manufacturing Equipment for Polymer  Electrolyte Fuel Cell

To mass-production of CCM at low cost, it is necessary to reduce a material loss almost zero by the intermittently coated with high accuracy.
The CCM direct coated exhibits a very good dimensional accuracy.

Features

  1. High Productivity
    ・The entire process is roll to roll, dramatically reducing the processing time for each cell.
    ・The production rate is faster more than 10 times compared to the decal method.
  2. Improved Battery Performance
    The catalyst layer can be formed directly on the membrane.
    Membrane is not damaged (NO press process).
    Suitable for thinner membrane!
  3. Low-Cost Materials
    ・The catalyst ink is coating by a slit nozzle which is closed condition, preventing the catalyst ink quality change.
    ・Stable coating of inks with a viscosity of 10 mPa•S or less is possible.
    ・The unique precision intermittent coating process ensures virtually 100% use of expensive electrolyte membranes and platinum catalysts.
    ・No need for various expensive decal method consumables.
  4. Quality Control of Catalyst Layer
    ・ Includes a transfer system especially designed for electrolyte membranes.
    ・ Includes an inspection function. The electrode size, defect inspection by high resolution Line Scan Camera. Pt loading inspection by X-ray.

  Note

  This equipment is the achievement of New Energy and Industrial Technology Development Organization (NEDO).

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