Sichuan Porous Metal Technology Co., Ltd.
Sichuan Porous Metal Technology Co., Ltd.
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0.5-1mm thick titanium felt, metal titanium sintered felt, porosity 50-60%
The core material for PEM hydrogen production with completely independent intellectual property rights independently developed by Borsemai.
The main process of its preparation is:
Specification parameters
| Parameter | Unit | Titanium powder felt(TPF) |
| Material | / | Pure titanium |
| Production process | / | High temperature sintering |
| Thickness | mm | 0.15-2.0 |
| Thickness | μm | ≤40 |
| Surface density | g/cm³ | 0.6-2.0 |
| Surface roughness | μm | ≤30 |
| Minimum aperture | μm | 3-5 |
| Average pore size | μm | 12-20 |
| Compression | %2MPa | 3-8 |
| Width | mm | 500-1000 |
| Processing method | / | Laser Cutting |
| Application | / | PEM Hydrogen Production |
| Chemical Composition | % | Ti≥99.8 |
| % | N≤0.01 | |
| % | C≤0.01 | |
| % | H≤0.01 | |
| % | Fe≤0.01 | |
| % | Cl≤0.03 | |
| % | Si≤0.01 | |
| % | Mn≤0.01 | |
| % | Mg≤0.01 | |
| Appearance | / | 1. The surface is clean and has a silver gray metallic luster 2. There should be no cracks or visible black spots |
Characteristic:
1. Both pore size and porosity can be controlled;
2. Gradient pore structure
3. Large specific surface area;
4. Excellent water and gas transmission performance;
5. Excellent electrical and thermal conductivity;
6. High temperature resistance and thermal shock resistance;
7. Resistance to medium corrosion;
8. Weldable and machinable
Advantages:
1. Increase the contact area between the gas diffusion layer and the membrane electrode to reduce the contact resistance.
2. Reduce surface spikes, prevent puncturing of membrane electrodes, and improve the lifespan of membrane electrodes.
3. Excellent water and gas transmission performance.
Application:
PEM hydrogen production anode diffusion layer GDL
The anode diffusion layer is used for mass transfer of O2 and H2O in environments with high potential and acidity, requiring coatings with good corrosion resistance. The porous transport layer is located between the catalytic layer and the bipolar plate, serving as a pathway for water supply, gas emission, and electron transport, directly affecting the concentration polarization and Ohmic polarization of the water electrolysis reaction. The porous transport layer should have a rich continuous pore structure that is conducive to the diffusion and transfer of water and precipitated gases, as well as good conductivity to reduce Ohmic polarization. The anode side porous transport layer is generally made of corrosion-resistant titanium porous material in high potential acidic environments, and its surface can be treated with precious metal coating to reduce contact resistance and service life.
Company Profile
Sichuan Porous Technology Co., Ltd. is a specialized company that specializes in the research and development, production, and sales of metal porous materials such as titanium and titanium alloy powder, titanium powder felt (TPF), and nickel powder felt (NPF). The company is located in Zhongjiang Intelligent Manufacturing Industrial Park, Deyang City, Sichuan Province, covering an area of approximately 5000 square meters. The core technical team of the company comes from Central South University, with a first-class R&D technology team and excellent management team. After years of research and development, a series of core patented technologies have been formed in the production of metal powder, hydrogen film, and hydrogen felt. The company adheres to the principle of "meeting customer needs and exceeding customer expectations", constantly making progress and continuous improvement. It is a high-tech enterprise specializing in the research and development of metal powder, hydrogen film, and hydrogen felt production. The company's main products include HDH titanium powder, titanium alloy powder products, and porous metal products. The annual production capacity of titanium powder and titanium alloy powder produced by the company is more than 200 tons. The company's products have been widely used in powder metallurgy, titanium filter tubes, 3D printing, MIM injection molding and other fields: titanium based flexible gradient gas diffusion powder felt - (titanium powder felt TPF), nickel based flexible gradient gas diffusion powder felt - (nickel powder felt NPF) with an annual production capacity of 100000 square meters, widely used in hydrogen energy new energy production fields such as green hydrogen (PEM, AEM) equipment and composite electrodes.
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Production equipment display