Knitted Nickel Foam 70PPI ≥80% Porosity 1100°C ATOMFAIR®

NICKEL FOAM 70PPI ≥80% POROSITY ACID ALKALI 1100°C THERMAL SOUND ABSORPTION

ADVANCED POROUS METAL MATERIAL

Nickel Foam

Knitted nickel foam, 70PPI, ≥80% porosity, acid and alkali resistant, high temperature resistance up to 1100°C, with excellent thermal conductivity and sound absorption. Widely used in battery electrodes, filtration, catalysis and EMI shielding applications. 10mm thickness, gray color. Custom sizes available.

I. Basic Product Parameters

Parameter	Specification
Weave Method	Knitted
Tolerance	Acid resistant, Alkali resistant
Thickness	10mm
Color	Gray
Pore Density	70PPI (regular: 0.1mm–10mm, 5–120PPI)
Specifications	Customizable
Porosity	≥80%
Temperature Resistance	≥500°C, up to 1100°C+

II. Pore Characteristics and Bulk Density

Parameter	Specification
Pore Size	0.1mm–10mm (5–120PPI)
Porosity	60%–80%
Specific Gravity	0.2~0.3, 1/4 of water, 1/3 of wood, 1/10 of aluminum, 1/30 of iron
Structure	Three-dimensional network open-cell structure, excellent permeability, uniform pores, fast heat transfer

III. Core Product Features

Lightweight & High Strength: Small specific gravity, stable strength, large specific surface area.
Sound Absorption & Insulation: Broadband sound absorption, effectively blocks noise after treatment.
Electromagnetic Shielding: Achieves approximately 90dB electromagnetic wave shielding effectiveness.
Easy Processing: Can be cut, bent, and simply pasted.
Fire Retardant: Stable shape at high temperatures, not easily combustible.
Recyclable: Metal waste can be recycled and regenerated.
Excellent Thermal Conductivity: Porous structure provides outstanding heat conduction.
Air Permeability & Filtration: Stable gas-liquid flow, excellent filtration performance.
Decorative & Practical: Available with various surface treatments for interior decoration.
Corrosion & Temperature Resistant: Acid and alkali resistant, withstands temperatures above 1100°C.

IV. Production Process

Using porous open-cell foam plastic as the substrate, a conductive layer is prepared through chemical nickel plating, vacuum nickel plating, or conductive adhesive dipping. After pre-nickel plating, thick nickel electroplating, burning, reduction and annealing, high-performance nickel foam material is produced.

V. Application Fields

Chemical Power Sources: Used in nickel-hydrogen, nickel-cadmium, fuel cell electrodes; nickel foam-carbon composite electrodes are ideal for lithium batteries, widely used in power batteries, digital products, electric tools, transportation, etc.
Chemical Engineering: Catalyst and catalyst carriers, filtration and separation media (oil-water separation, exhaust gas purification, air purification, etc.), reducing energy consumption and improving efficiency.
Electrochemical Engineering: Electrolytic hydrogen production, electrocatalysis, electrochemical metallurgy, etc.
Thermal Engineering: Thermal conduction materials, heat pipe core materials, damping materials, improving heat exchange efficiency.
Functional Materials: Sound absorption and vibration damping, electromagnetic shielding, stealth, flame retardant, thermal insulation, etc.
Industrial & Environmental Protection: Exhaust gas purifier carriers, infrared burner surface layers, drying equipment heating materials, distillation column packing, condenser heat exchange materials, industrial filtration and industrial filter screens.

VI. Product Description

Professional production of various specifications of nickel foam, available in 110PPI, 90PPI, 70PPI and other pore densities, with thicknesses of 0.5mm, 1mm, 1.6mm, 10mm etc. Suitable for electronics, filtration, energy, chemical, decoration and other industries.

Sizes can be customized. For any questions or specific customization requirements, please feel free to contact us at inquiry@atomfair.com

TAILORED SOLUTIONS FOR RESEARCH

Contact our engineering team for technical support or official quotations.

EMAIL: inquiry@atomfair.com

Manufacturer: Atomfair LLC

Brand: ATOMFAIR®

How does the 70PPI pore density and ≥80% porosity of this nickel foam affect its performance as a battery electrode current collector versus a filtration medium?

The 70PPI pore density with ≥80% porosity provides a high specific surface area and three-dimensional open-cell structure that is ideal for battery electrode applications, enabling efficient ion transport and active material loading. For filtration, the same structure ensures uniform permeability and stable gas-liquid flow, but the trade-off is that higher PPI (e.g., 110PPI) would offer finer filtration at the cost of increased flow resistance. The source confirms a pore size range of 0.1mm–10mm and specific gravity of 0.2–0.3, supporting both roles.

Can this 10mm thick nickel foam be integrated into a PEM electrolyzer for hydrogen production, and what are the compatibility constraints with acidic electrolytes?

Yes, this nickel foam is suitable for use in PEM electrolyzers due to its acid resistance and high temperature tolerance up to 1100°C, which exceeds typical PEM operating conditions. The source explicitly lists 'acid resistant' tolerance and 'electrolytic hydrogen production' as an application in electrochemical engineering. However, the 10mm thickness may require mechanical compression or custom sizing to fit standard cell architectures; custom sizes are available upon request.

What handling and storage precautions are required for this nickel foam to maintain its structural integrity and electromagnetic shielding effectiveness of approximately 90dB?

The nickel foam is lightweight and can be cut, bent, or pasted, but its porous structure is susceptible to crushing under excessive mechanical load. To preserve the 90dB electromagnetic shielding effectiveness and the ≥80% porosity, store in a dry environment away from corrosive chemicals beyond the stated acid/alkali tolerance. The source notes it is 'not easily combustible' and recyclable, but no specific storage conditions are provided; general best practices for porous metal foams apply.

Assessment

This nickel foam (70PPI, ≥80% porosity) delivers high-temperature stability up to 1100°C and broad chemical resistance, making it suitable for electrode, filtration, and catalysis applications. Its open-cell structure provides high permeability and surface area, but mechanical rigidity varies with thickness (3–10mm) and joining is limited to adhesive methods.

Positive

High porosity open-cell structure: Three-dimensional network with ≥80% porosity and large specific surface area enables efficient fluid permeability and fast heat transfer, ideal for battery electrodes, filtration, and catalyst support.
Broad temperature and chemical tolerance: Acid and alkali resistant with operational stability exceeding 1100°C, allowing deployment in corrosive environments and high-temperature processes such as catalytic combustion and electrolytic hydrogen production.

Trade-offs

Limited joining and thickness-dependent rigidity: Manufacturer recommends cutting, bending, and adhesive pasting; welding or brazing may damage the porous structure. Additionally, thinner variants (3mm) offer reduced structural rigidity and may require support in flow or load-bearing applications.

Quality Standards & Performance Verification

Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.

To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.

Shipping & Returns

Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).