Membrane Electrode Assemblies are Key Components of PEM Fuel Cell

A membrane electrode assembly (MEA) is an assembled stack of proton exchange membrane (PEM), catalyst and flat plate electrode.

The PEM is sandwiched between two electrodes which have the catalyst embedded in them. The electrodes are electrically insulated from each other by the PEM. These two electrodes make up the anode and cathode respectively. The electrodes are heat pressed onto the PEM.

There are three fuel membrane electrode assemblies with different sizes.
MEA-01: Membrane electrode assemblies are the core component of a fuel cell.
There is a membrane electrode assembly with a package film.
MEA-02: Membrane electrode assembly is sealed with film.
There are two round membrane electrode assemblies with a coin next to them.
MEA-03: We can offer small round MEA or other large size.

Specifications of membrane electrode assembly:

  • Thickness: 50 μm.
  • Sizes: 5 cm2, 16 cm2, 25 cm2, 50 cm2 or 100 cm2 active surface areas.
  • Catalyst Loading:
    • Anode = 0.5 mg Pt/cm2.
    • Cathode = 0.5 mg Pt/cm2.
  • Membrane electrode assembly types: 3-layer, 5-layer, 7-layer (so before ordering, please clarify how many layers MEA you prefer, and also provide the MEA drawing).

Membrane electrode assembly features:

  • Good chemical stability.
  • Excellent working performance.
  • Rigid design.
  • Durable.

Membrane electrode assembly applications:

MEA is mainly used to make fuel cell stack and electrolyzers to produce hydrogen gas.

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