The Porous Powerhouse: Nickel Foam for Next-Gen Tech

Nickel Foam is produced by electroplating a special polymer material framework with a three-dimensional network structure, such as polyurethane, polyester, polyurethane, and other special polymer materials (sponges). After electroplating, the internal polymer material is burned off, and the metal oxide is reduced, ultimately producing a metal foam product, which is then mechanically shaped through chemical heat treatment.

Nickel foam possesses lightweight electrical conductivity, making it a key component of AEM hydrogen electrolyzers and providing an ideal solution for efficient and sustainable hydrogen production.

Working Principle

In the AEM hydrogen production reaction, nickel foam is used as the material for the porous transport layer (PTL) in the electrolyzer, which affects the efficiency and stability of the entire electrolysis system.

Nickel acts as a good electrical conductor, ensuring the transfer of electrons through the pores in the reaction environment. The three-dimensional structure of nickel foam provides good support for the reaction environment, helping to maintain the stability and structural strength of the electrodes. Simultaneously, the porous structure of nickel foam provides a large active surface area, thereby increasing the reaction rate.

Functions

High Conductivity: Nickel is an excellent conductor of electricity, and the three-dimensional structure of nickel foam provides a high surface area, which facilitates current distribution.

Catalyst: Nickel foam is typically coated with a catalyst such as nickel or other suitable catalysts. These catalysts help catalyze the water electrolysis reaction, which splits water into hydrogen and oxygen. The foam structure provides a high surface area that promotes catalyst distribution and reaction efficiency.

Support Structure: The three-dimensional structure of nickel foam provides excellent support, helping to maintain electrode stability and structural strength, ensuring long-term operation.

Ion Transport: In alkaline environments, nickel foam allows the transport of hydroxide ions (OH-), promoting the water electrolysis reaction.

Improved Electrode Activity: The porous structure of nickel foam significantly increases the reaction area, improving the reaction rate and efficiency.

Lightweight: Nickel foam structures are generally lighter than solid materials, helping to reduce the overall weight of the structure.

Applications

Nickel foam has multiple functions, including damping, vibration reduction, noise reduction, flame retardancy, filtration, and electromagnetic shielding. It plays a vital role in electrochemical engineering, chemical engineering, automotive, and petroleum industries:

Electrochemical Engineering: Applied to AEM electrolysis for hydrogen production, electrocatalysis processes, and electrochemical metallurgy. It appears at the positive and negative electrodes of nickel-metal hydride, nickel-cadmium, and fuel cell batteries, significantly improving battery performance. Foamed nickel-carbon composite electrode materials are also ideal for lithium-ion batteries.

Chemical Engineering: Used as catalysts and their supports, Filter media, and media separators (such as oil-water separators, automotive exhaust purifiers, and air purifiers). Due to its large specific surface area, it can reduce energy consumption and improve efficiency.

Thermal Engineering: It can be used as a damping material and a highly efficient thermally conductive "core" material for heat pipes, significantly improving efficiency.

Functional Materials: It can be used as a damping material to absorb wave energy. It can also serve functions such as noise reduction, vibration absorption, electromagnetic shielding, stealth technology, flame retardancy, and heat insulation.

Beihai Composite specializes in producing and exporting all kinds of metal foam, such as aluminum foam, nickel foam, and Copper foam, etc. And due to the high quality, our nickel foam material is now widely used worldwide, especially in Europe.Standard dimension 500x500mm or 500*1000mm. At the same time, we can also cut into different shapes or sheets according to your drawing. Any new request, feel free to contact our sales manager. We will reply to you within 24hours.