Nickel Fiber Felt 0.8MM Electrode materials

0.8MM Nickel felt is made of micron-level pure nickel fiber in accordance with 

foreign technical standards, through a special, felt laying process and ultra-high 

temperature vacuum sintering process.

Nickel fiber felt has the characteristics of a larger specific surface area, higher 

tensile strength, and better flexibility than foamed nickel, and is suitable for 

making large-capacity, high-current nickel-metal hydride batteries.

Porosity and Size can be customized.

They are primarily used in electrolyzer stacks as the flow field or diffuser material, 

particularly on the oxygen (anode) side. Since electrolyzer hardware cannot use 

carbon-based gas diffusion layers (GDLs) at the oxygen evolution electrode due to 

the immediate oxidation of carbon to CO₂ (if the medium is acidic) or carbonate 

ions (if the medium is basic) during the electrolysis reaction,

While most industrial applications operate their electrolyzers in the anode-fed 

mode and this product makes an excellent diffusion medium for the oxygen 

evolution electrode, it can also be used as an ideal diffusion medium for 

researchers conducting cathode-fed electrolyzer research.

The porosity of nickel felt is an important indicator that affects battery 

performance. Electrodes with high porosity can carry more active materials and 

increase the volume-specific energy of the battery. The porosity of nickel fiber felt 

can reach 95%-98%, and the fiber diameter has little effect on the porosity of 

nickel felt. The porosity of fibers with a diameter of φ10μm~φ40μm can reach the 

level of 94.9%~96.8%.

The effect of a single weight on the porosity of the nickel felt is as follows: With the 

increase of the single weight, only the natural thickness of the nickel felt increases, 

while the porosity does not change significantly. The experimental data is that 

when the unit weight increases from 300g/m2 to 600g/m2, the porosity only 

decreases from 95.8% to 94.8%.

The thickness of the nickel fiber felt also has a certain influence on the porosity. 

Under the same single-weight condition, the smaller the thickness, the smaller the 

porosity. For the nickel fiber felt with a single weight of 400g/m2-480g/m2, the 

thickness is controlled at about 1.5mm, and a high porosity can be maintained.

Production Process

The process is made of micron-level pure nickel fiber in accordance with 

foreign technical standards, through a special, felt laying process and ultra-high 

temperature vacuum sintering process.

Nickel wire→Cluster drawing→Nickel fiber→Fiber shear→Air-laid→Sintering→Nickel fiber felt

Details

picture of nickel felt under the microscope

one shape of nickel felt

Package for Export

We will do our best to protect the productions, 

and the productions will be safe in our package.

Wooden box export packaging can also be customized, 

the foam cotton can be filled and fixed.

DHL,EMS,UPS,FedEx

Our Factory

TopTiTech is located in the east area of the Baoji High-tech Industrial Development Zone, 

which is known as "China Titanium Valley", with convenient transportation and a beautiful 

environment.

Founded in 2011, the company has the latest and most advanced production equipment 

and rich production experience, providing long-term related products and services for 

many large state-owned enterprises.

The company mainly produces and sells various types of powder-sintered filter 

components made of high-purity titanium powder (purity ≥99.60%) and sintered at high 

temperatures.

The main products are titanium fiber felt, titanium rod filter element,nickel-based alloy 

powder sintered tube, porous titanium plate, and titanium electrode sheet. etc., stainless 

steel powder sintered filter tubes, metal aeration heads, titanium aeration heads, and 

other products. Strictly in accordance with national standards GB/T6887-2019, GB/T6886-

2017, and GB/T5250-93 production, and implementation.

Welcome new and old users to visit and guide, we are willing to join hands with friends 

from all walks of life and seek common development.

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