Products Description
Application of Iron-Nickel Foam in Battery Technology
Iron-nickel foam is a porous, conductive metal matrix widely used as an electrode material in various types of energy storage systems. Its unique physical and electrochemical properties make it particularly valuable in nickel-metal hydride (NiMH) batteries, lithium-ion batteries, and other emerging battery technologies.
- Application in Nickel-Metal Hydride (NiMH) Batteries
NiMH batteries utilize a nickel-based cathode and a hydrogen storage alloy anode in an alkaline electrolyte. Iron-nickel foam is commonly employed as the cathode current collector or active substrate due to the following advantages:
High Electrical Conductivity
The three-dimensional interconnected structure of iron-nickel foam ensures excellent electron transport, significantly enhancing charge/discharge efficiency.
Large Specific Surface Area
The porous structure increases contact between the active material and the electrolyte, promoting faster electrochemical reactions and boosting both capacity and rate performance.
Good Mechanical Strength
Its robust framework can endure expansion and contraction during cycling, improving structural integrity and extending the battery’s lifespan.
- Application in Lithium-Ion Batteries
In lithium-ion batteries, iron-nickel foam is primarily investigated as a support structure for anode materials. Its benefits include:
High Theoretical Specific Capacity
Both iron and nickel possess relatively high theoretical capacities, offering potential for increased energy density.
Structural Stability
The porous network helps absorb mechanical stress during lithium-ion intercalation/deintercalation, reducing particle pulverization and enhancing cycle stability.
Enhanced Electrical Conductivity
Its three-dimensional conductive framework facilitates efficient electron transport, improving the rate performance of the cell.
- Applications in Other Battery Systems
Iron-nickel foam is also gaining attention in other advanced energy storage technologies:
Sodium-Ion Batteries
Acts as an anode framework, offering high surface area and conductivity to improve performance and cycle life.
Supercapacitors
When used as an electrode material, the foam’s high conductivity and large surface area enable superior energy and power densities.
Summary of Key Advantages:
Excellent electrical conductivity
High specific surface area
Robust mechanical properties
Structural support for high-capacity materials
Versatility across multiple battery systems
Technical Parameters
| Model | XW-IFeF-005 |
| Material | Iron nickel foam, Sold in sheet. |
| Dimension | 100*100*5mm, or customized as request |
| Thickness | 5mm |
| The aperture | 0.1mm-10mm (5-130ppi) |
| Porosity | 75-98% |
| Through Hole Rate | ≥98% |
| Bulk density | 0.1-0.8g/cm³ |







