Platinized titanium felt as a GDL for fuel cells

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Platinized sintered titanium felt is an ideal gas diffusion layer material for hydrogen fuel cells, which is characterized by high porosity and gradient pore size. The titanium fibers are processed into micron-sized fibers using a special technique. The electrolytic performance of titanium felt is significantly enhanced by coating the surface with a platinum catalyst.

Test data demonstrates that titanium felt exhibits the smallest overpotential due to its minimal ohmic resistance. This not only reduces energy consumption but also improves electrolytic performance. Furthermore, the voltage of titanium felt is lower indicating superior electrolytic performance. The high porosity and large pore size of titanium felt facilitate gas emission.

Parameters:

Color: Light grey
Dimension: Customized according to requirements (sample sizes: 100*100mm, 200*200mm, 300*300mm, and custom sizes)
Thickness: 0.25mm-1mm (common thicknesses: 0.25mm, 0.4mm, 0.6mm, 0.8mm)
Porosity: 60-70%

Key Features:

Excellent gas diffusion performance: Titanium felt possesses a highly porous structure, providing ample channels and surface area for efficient hydrogen gas transfer. Its porous structure also reduces gas resistance, enhancing hydrogen diffusion rate and fuel cell performance.

Good electrical conductivity: Titanium felt exhibits excellent electrical conductivity, making it suitable as a current collector layer. It efficiently transfers electrons from the electrode to the gas diffusion layer, thereby improving the efficiency and performance of the cell.

High corrosion resistance: Titanium felt demonstrates excellent corrosion resistance in hydrogen fuel cell environments. Its material composition inherently possesses superior corrosion resistance, and the platinum coating on the surface provides an additional protective layer, preventing corrosion from hydrogen gas and electrolytes.

Easy processing and customization: Titanium felt can be customized and processed to meet the specific requirements of various applications. It can be cut into different sizes and shapes, accommodating the design needs of diverse hydrogen fuel cell systems.

Applications:

PEM pure water electrolysis in the hydrogen industry: Titanium fiber felt is utilized as an anode electrode in PEM electrolytic cells due to its superior water permeability and heat dissipation. It can be designed as a long-life electrolytic cell with high current density in the form of an anode catalytic electrode.

PEMFC full cell industry: Titanium fiber felt finds wide application in the fuel cell industry, whether as a gas diffusion layer or a water diffusion layer. The lightweight, excellent heat dissipation, and stability of titanium fiber plates provide unparalleled advantages.

Raw material chemical industry: In the field of chlor-alkali raw materials chemical industry, titanium fiber felt is used as a catalytic or non-catalytic electrode to increase current density and efficiency. It can also serve as a filter material for corrosive liquids or special gases.