MEA Spray Coating Technology

MEA Spray Coating Technology – MEA Technology – Cheersonic

A membrane electrode assembly (MEA) is an assembled stack of proton-exchange membranes (PEM) or alkali anion exchange membrane (AAEM), catalyst and flat plate electrode used in fuel cells and electrolyzers.

Ultrasonic spray coating technology has only been used for fuel cell applications in recent years. It has been demonstrated that ultrasonic spray coating is an effective way to reduce platinum loading for fuel cells. The optimum catalyst ink formula and platinum loading are dependent on operating conditions. In terms of cost, optimum platinum loadings must be considered alongside the cost of other core components. This extended cost analysis is a helpful approach to lower the cost of fuel cell systems. Normally, direct methanol fuel cells and high temperature PEMFCs require more catalyst than low temperature PEMFCs. As such, ultrasonic spray coating technology has great potential for the fabrication of direct methanol fuel cells and high temperature PEMFCs.

There is UAM6000 ultrasonic spray coating machine which is used for industrial production. Generally, spraying PEM, the frequency can be 50kHz and it can be equipped with magnetic stirring syringe.

1. Coating Area 700 x 700 mm
2. XYZ servo motion system
3. Ultrasonic Spray nozzle
4. Sonic Syringe
5. Syringe Pump (with auto refill)
6. Heat and Vacuum plate (150°C)