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Hydro-LAT 1400 - Carbon Cloth with Hydrophilic MPL

Brand: Fuel Cells ETC
Product Code: 11070050

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From $91.00

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Fuel Cells ETC's Hydro-LAT 1400 is a carbon cloth based gas diffusion layer (GDL) with a high surface area carbon-based microporous layer on one side. Hydro-LAT GDL has been engineered to have excellent hydrophilic (i.e., completely wettable) microporous layer (MPL) properties for various electrochemical applications that demand hydrophilicity or wettability. Thickness is ~400-450 µm.

Hydro-LAT 1400: Properties and Advantages

Certain electrochemical devices demand that either the electrolyte component wets the electrode surface or the MPL retaining the by-product water to maintain the membrane's hydration, or any other relevant needs.  These applications can also benefit from a high surface area MPL that is hydrophilic or wettable. All of the current commercially available GDLs with MPL have teflonization not only of the substrate, but also of the microporous layer.  Presence of PTFE in the MPL limits the use of these high surface area gas diffusion layer products for such novel applications.  

Hydro-LAT 1400 gas diffusion layer is comprised of a carbon cloth base fabric and a hydrophilic MPL.  In the MPL slurry, high surface area carbon black nanopowder is initially mixed with a hydrophilic binder and various other organic and aqueous solvents. The slurry is then coated on the base fabric.  A second functionality of the proprietary hydrophilic binder is to facilitate the ionic conductivity through the entire MPL thickness since it is a functionalized material with excellent cation or proton conductivity. The hygroscopic nature of the binder brings an excellent wettability of the MPL section compared to any other commercial GDL products currently available.  Hydrophilic MPL is coated only on one side of the substrate.

The above-mentioned features make Hydro-LAT ideally suitable for batteries containing aqueous or organic electrolytes, passive fuel cells that operates at extremely low current densities, electrochemical capacitors, super capacitors, electrochemical sensors, and numerous other electrochemical devices.

It is not recommended to use this product in typical PEM fuel cells because the high degree of hydrophilicity will make it impossible to remove the by-product water away from the membrane/catalyst interface and will result in flooding at the cathode or anode.

A typical lead time 1-2 weeks to be expected for this product.
Gas Diffusion Layer Properties
Material Type Woven Carbon Cloth Fiber
Thickness ~ 400-450 micrometers
Microporous Layer Yes, on one side (hydrophilic)

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