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氢燃料电池双极板涂层燃料电池双极板非贵金属涂层

Fuel Cell Bipolar Plate Non-Precious Metal Coating

One of the main components of the fuel cell is the bipolar plate stack. NanoShield’s PVD non-precious metal coating has obvious cost-effective advantages and is an effective attempt to replace gold and platinum precious metal materials. Naxau first-generation composite titanium nitride coating can maintain good electrical conductivity and low contact resistance under galvanic corrosion environment for a long time. We are also collecting data on the application of non-precious metal PVD programs on hydrogen energy storage.Naxau is actively promoting and optimizing the production line of fuel cell bipolar plate processing equipment. Efficiently and cost-effectively lowering the threshold of hydrogen energy popularization.
  • ApplicationsHydrogen Energy | Hydrogen Storage | Bipolar Plates | Precious Metal Substitution

01 Advantages of Nasi’s non-precious metal series PVD bipolar plate cells

Naxau bipolar plate protective coating, which has entered the pilot stage, is already better than the industry average in terms of corrosion potential and ICR: Interface Resistance. The second generation of NanoShield’s hydrogen fuel cell coatings are still doped non-precious metal PVD coatings. We have deep cooperation with universities and colleges to maintain the industry’s top level.

Parameters of Naxau Bipolar Plate Protection Coating

TypeCoating methodICR/mΩ*cm2Corrosion current uA/cm2
RCsputtering1.061
NCsputtering0.461
NTsputtering0.111
纳狮双极板燃料电池核心参数优势
纳狮双极板核心参数优势

Parameters of Naxau Bipolar Plate Protection Coating

The customized ion source and deposition chamber design for fuel cells can improve the production efficiency and stability of bipolar plates. Meanwhile, Naxau provides complete bipolar plate production equipment and process solutions, including cleaning, polishing, and cart design.

纳狮双极板第七代研发平台

The project of hydrogen fuel electric reactor is led by the general manager of Naxau AM business unit of Naxau Coatings, and a new energy laboratory has been set up to quickly improve the competitiveness of the coating through laboratory simulation of the working conditions of bipolar plates and actual machine testing.

纳狮双极板氢储能开发团队
纳狮双极板原料电池实验室

02 Cooperation on hydrogen energy coating projects

Naxau always maintains cooperation with domestic and foreign scientific research institutions, and has a new energy academician workstation. At present, we have a certain pioneering advantage in new energy fields such as hydrogen energy, bipolar plate, composite fluid collector and so on. We provide bipolar plate coating sampling service, vacuum coating machine and process sales, a complete set of production line program design multi-way cooperation.

We can provide a complete package for bipolar plate production, pre-treatment and coating delivery from scratch.

03 Fuel Cell Bipolar Plate Vacuum Coating Equipment and Production Line

Customized Hydrogen Fuel Cell Coating Production Line and Equipment by Naxau. New Energy Academician WorkstationDesign.

Vacuum Coater for Fuel Cell Bipolar Plate Coating
燃料电池双极板镀膜真空镀膜机

04 Partial Parameters of Fuel Cell Bipolar Plates

  • Common materials: stainless steel, titanium, graphite;
  • Bipolar plate thickness: 0.05-0.2mm;
  • Runner width: 0. 5~2. 5mm; runner depth: 0. 2~2. 5mm; size deviation: ≤8%;
  • Roughness of runner bottom: Ra≤1.6μm;
  • Inclination angle of the runner: θ is 0° to 60°;
  • Length of runner: The longer the runner, the greater the pressure loss, the lower the concentration of reaction gas in the final stage, thus reducing the performance of the cell;

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