High Porosity Porous Nickel Felt Gas Diffusion Layer With Large Specific Surface Area
The core material for AEM hydrogen production with completely independent intellectual property rights independently developed by Borsemai.
The main process of its preparation is:
Characteristic:Both pore size and porosity can be controlled;/Gradient pore structure/ Large specific surface area;/Excellent water and gas transmission performance;/Excellent electrical and thermal conductivity;/High temperature resistance and thermal shock resistance;/Resistance to medium corrosion;/Weldable and machinable
Specification parameters
| Parameter |
Unit |
Nickel Powder Felt (NPF) |
| Material |
/ |
Pure nickel |
| Production process |
/ |
High temperature sintering |
| Thickness |
mm |
0.15-2.0 |
| Thickness |
μm |
≤30 |
| Surface density |
g/cm³ |
1.2-4.0 |
| Surface roughness |
μm |
≤25 |
| Minimum aperture |
μm |
3-5 |
| Average pore size |
μm |
12-20 |
| Porosity |
% |
30-50 |
| Compression |
%2MPa |
5-10 |
| Tensile strength |
KN/50mm |
0.8-2.5 |
| Width |
mm |
500-1000 |
| Processing method |
/ |
Laser Cutting |
| Application |
/ |
AEM Hydrogen Production |
| Chemical Composition |
% |
Ni+Co≥99.8 |
| % |
Fe≤0.02 |
| % |
C≤0.03 |
| % |
S≤0.008 |
| % |
Si≤0.005 |
| % |
Cu≤0.001 |
| % |
|
| % |
|
| % |
|
| Appearance |
/ |
1. The surface is clean and has a silver gray metallic luster
2. There should be no cracks or visible black spots |
1. Flexible and bendable
2. Large size and width
3. Extremely low surface roughness
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:
AEM nickel powder felt diffusion layer is used to promote the electrochemical reaction of gas. The conductive layer is a layer connecting the catalyst layer and the electrode substrate. It has good conductivity and can effectively transfer electrons to the electrode substrate. The nickel powder felt gas diffusion layer plays the role of transferring gas and liquid, and has good gas diffusion performance and liquid permeability. The nickel powder felt gas diffusion electrode is characterized by a large surface area and high catalytic activity. Due to the presence of the catalyst, the gas diffusion electrode can realize the electrochemical reaction of the gas at a lower temperature and pressure, and improve the efficiency and rate of the reaction. In addition, the nickel powder felt gas diffusion electrode also has good stability and corrosion resistance, and can operate stably for a long time in a complex environment.
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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