1. Introduce:

GDL340 is a carbon paper with a Microporous Layer (MPL). It has a total thickness of 340 μm (microns). 

GDL340 is a great low-cost alternative to conventional carbon paper Gas Diffusion Layer (GDL) materials.

GDL340 is available in 10 x 10 cm, 20 x 20 cm, 30 x 30 cm or 40 x 40 cm sheets at this time.

2. Advantages of GDL340 Carbon Paper:

- Heat transfer during cell operation

- Automated QC inspection system

- Keep some water on the surface for conductivity

- Avoid “flooding”

3. GDL340 Parameter Table:

4. Detailed description:

Gas Diffusion Layer (GDL) is a very important supporting material in a MEA, the heart of a fuel cell. GDL serves as a connect bridge between MEA and graphite plate, and the main functions of GDL include the followings:

1. A gas diffused pathway from flow channels to the catalyst layer.
2. Help removing by-produced water outside of the catalyst layer and prevent flooding.
3. Keep some water on surface for conductivity through the membrane.
4. Heat transfer during cell operation.
5. Provide enough mechanical strength to hold MEA from extension caused by water absorbance.

The GDL340 Gas Diffusion Layer is specially developed as a carbon fiber paper and carbon fiber cloth for PEMFC and DMFC fuel cell applications. And GDL340 has well performance in the fuel cell efficiency test. 

The 2nd generation of carbon substrate has been well developed, and the new substrate is presented with the better performance and proprieties. For the details, please contact us.

Ask for freight: Please consult before purchasing.