Customization: | Available |
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After-sales Service: | Yes |
Warranty: | 1-3years |
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Product Name | Nickel Foam |
Material | N2,N4(Ni201),N6(Ni200) |
Form | Sheet, Roll, or customized |
Thickness | 0.1-50 mm, or customized |
Porosity | 50%-98% |
Cell Size (PPI) | 10-200, or customized |
Surface density | 180-5000 g/m2 |
Chemical Composition | Ni≥99.9%,Fe≤0.010%,C≤0.030%,S≤0.008%,Si≤0.005%,Cu≤0.005% |
Characteristics | High Surface Area: The porous structure of nickel foams provides a very large surface area relative to their volume, which is critical in applications like catalysis and energy storage, where reactions occur at the material's surface. Electrical Conductivity: Nickel is an excellent conductor of electricity, and the open structure of the foam allows for efficient current distribution, making it ideal for use in battery electrodes and other electronic components. Mechanical Strength: Despite their low density, nickel foams maintain good mechanical strength and can withstand significant stress without collapsing, which is important for structural and load-bearing applications. Corrosion Resistance: Nickel's natural corrosion resistance is retained in its foam form, making it suitable for use in harsh environments, including in chemical processing and marine applications. Thermal Conductivity: Nickel foams also exhibit high thermal conductivity, which, combined with their porous structure, makes them effective for heat dissipation and thermal management in electronic devices and systems. |
Applications | Energy Storage: One of the most prominent applications of nickel foams is in energy storage, particularly in nickel-metal hydride (NiMH) batteries and emerging battery technologies. Nickel foams serve as the conductive substrate for battery electrodes, providing a large surface area for electrochemical reactions and contributing to the battery's overall efficiency and capacity. Catalysis: The high surface area and excellent conductivity of nickel foams make them ideal as catalyst supports in chemical reactions, including hydrogenation and reforming processes. The porous structure allows for better interaction between the catalyst and the reactants, leading to higher reaction rates and improved efficiency. Thermal Management: In electronic devices, managing heat is crucial for maintaining performance and preventing damage. Nickel foams are used in heat exchangers, cooling pads, and other thermal management systems to dissipate heat effectively due to their high thermal conductivity and large surface area. Filtration: The open, porous structure of nickel foams makes them suitable for use in filtration systems, particularly for gas and liquid filtration in chemical processing and environmental protection applications. The foam can trap contaminants while allowing fluids to pass through, making it an effective and durable filter medium. Sound Absorption: Nickel foams can also be used in acoustic applications due to their ability to absorb sound waves. This makes them useful in noise reduction systems, particularly in industrial environments where noise control is important. Electrochemical Devices: Beyond batteries, nickel foams are used in fuel cells and supercapacitors, where their high conductivity and surface area enhance the performance of these devices. In fuel cells, for example, nickel foam serves as an electrode material, facilitating efficient electrochemical reactions. |