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Ti-Based Gas Diffusion Layer Anode Titanium Gdl

Supplier From China
Jun-06-23

Product Introduction

Metal porous titanium plates are primarily used in standard PEM electrolyzer single cells and stacks as the flow field or diffuser material, particularly on the oxygen (anode) side. . Electrolyzer hardwares cannot use carbon-based gas diffusion layers (GDLs) at the anode because the carbon will immediately oxidize to CO2 (if the medium is acidic) or carbonate ions (if the medium is basic) during the reaction.

Porous titanium plates are an excellent option for a diffusion medium in various applications, including electrolyzers and fuel cells. TOPTITECH�´s porous metal gas diffusion layers are the top choice for achieving high performance in these applications. The uniform porosity, strength, and corrosion resistance outperform other diffusion layer productsTOPTITECH substrates are available in a variety of alloys to support a full range of fuel cell operating temperatures, and can be coated with surface treatments or catalyst layers to enchance performance.

In an electrolyzer, why not utilize a carbon-based Gas Diffusion Layer?

Using a carbon-based gas diffusion layer (GDL) in an electrolyzer can pose several challenges. The presence of oxygen ions and voltage on the anode side of the electrolyzer can cause the carbon in the GDL to be oxidized, resulting in the generation of CO2 gas. While this can initially lead to a lower electrolysis voltage, the consumption of the carbon GDL is a short-lived phenomenon. As a result, the stack compression decreases, leading to higher resistance and lower performance. Therefore, it is not advisable to use a carbon-based GDL in an electrolyzer.


Parameters

Place of origin: Baoji, China

Brand: TOPTITECH

Filtration precision:0.2um-100um

Material: titanium

Working temperature 300

Length: 30-1000mm(More than 1000mm can be welded)

Thickness: 0.5mm

Price and Minimum Quantity

Price: $3 - $100
MOQ: Not Specified

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In an electrolyzer, why not utilize a carbon-based Gas Diffusion Layer?
Using a carbon-based gas diffusion layer (GDL) in an electrolyzer can pose several challenges. The presence of oxygen ions and voltage on the anode side of the electrolyzer can cause the carbon in the GDL to be oxidized, resulting in the generation of CO2 gas. While this can initially lead to a lower electrolysis voltage, the consumption of the carbon GDL is a short-lived phenomenon. As a result, the stack compression decreases, leading to higher resistance and lower performance. Therefore, it is not advisable to use a carbon-based GDL in an electrolyzer.

Parameters
Place of origin: Baoji, China
Brand: TOPTITECH
Filtration precision:0.2um-100um
Material: titanium
Working temperatureï¼?â?¤ 300â??
Length: 30-1000mm(More than 1000mm can be welded)
Thickness: â?¥0.5mm

FEATURES
High corrosion resistance: Titanium is a highly corrosion-resistant material, making it suitable for use in harsh environments.
High strength-to-weight ratio: Porous titanium plates are lightweight yet strong, making them ideal for applications where weight is a concern.
High porosity: The porous nature of titanium plates allows for efficient diffusion of gases, making them well-suited for use in electrolyzers and fuel cells.
Customizable properties: The pore size and distribution of porous titanium plates can be tailored to meet specific application requirements, allowing for greater flexibility in design.
Excellent thermal conductivity: Titanium has a high thermal conductivity, which allows for efficient heat transfer and thermal management in fuel cells and electrolyzers.
Long service life: Due to its corrosion resistance and durability, porous titanium plates have a long service life, reducing maintenance and replacement costs.

Ease of manufacturing: Porous titanium plates can be manufactured using a variety of techniques, including sintering, powder metallurgy, and electrochemical etching, making them easy to produce in large quantities and at a reasonable cost.
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Parameters:
Material: Titanium
Size:1500*1200mm
Thickness:0.2mm, 0.25mm, 0.40mm, 0.60mm, 0.80mm, 1.00mm, 2.0mm.
Porosity:60% - 75%

â?» Porosity and Size can be customized.



Technological Process

Pure titanium (special process)-titanium fiber (laying, sintering)-titanium fiber felt (with three-dimensional network porous structure)- Titanium felt for LGDL


Features:
1. Three-dimensional grid porous structureï¼?
2. Strong corrosion resistanceï¼?
3. Optimal electrolysis performanceï¼?
4. High porosity and current densityï¼?
5. Uniform pore size distribution.


Applicantion

1. Liquid/gas diffusion layer;
2. Hydrogen absorber;
3. Hydrogen-rich water dispenser;
4. Diffusion layer of hydrogen cell stack;
5. PEM hydrogen production by water electrolysis.

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