Under the global trend of energy transition, reducing carbon emissions and improving energy efficiency have become key objectives. As an ideal clean energy source, hydrogen energy has broad application prospects in fields such as transportation, industry, and energy storage.
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Focusing on key areas of hydrogen energy, with the continuous maturation of fuel cell technology and the gradual expansion of the market, competition in the bipolar plate market, one of the core components of fuel cells, is becoming increasingly intense.
Bipolar plates are key components for the efficient conversion and utilization of hydrogen energy, serving to conduct current between the electrodes. Two ultra-thin metal plates, with a thickness ranging from 50μm to 100μm, are tightly welded together. This requires extremely high standards for sealing, strength, flatness, and other factors, making the processing highly challenging. As a result, bipolar plate manufacturing has long been one of the bottlenecks hindering the industrialization and commercialization of hydrogen fuel cell technology.
Typically, a set of bipolar plates may have weld seams that are 1 meter or even longer. A single fuel cell is composed of around 400 sets of bipolar plates. If a fuel cell production line has an annual capacity of 1 million units, the required welding seam length for the production line would exceed 400,000 kilometers. Given such a massive welding demand, traditional bipolar plate manufacturing processes can no longer meet the development needs of the fuel cell industry. As a result, more precise and efficient laser welding technology has become the ideal choice for manufacturers.
With its deep expertise in laser processing intelligent equipment, HGTECH began research in to address key technologies in the efficient and precise laser processing of fuel cell bipolar plates. The company has continuously expanded the application of laser technology in the intelligent processing equipment field of the hydrogen energy industry. As a result, HGTECH has developed a series of specialized, industry-leading products, focusing on overcoming the bottlenecks in efficient bipolar plate welding technology.
Dual Station Bipolar Plate Welding Intelligent Equipment
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1.High Efficiency
Upgraded Motor System: Self-developed high-speed, efficient welding technology, with welding speed increased to 200%.
Dual-Position Efficient Platform: Alternating loading and unloading at dual positions, doubling production efficiency.
2.High Quality
Full Protection Gas Welding: Multi-channel, dual-side gas protection welding ensures oxidation-free, aesthetically pleasing weld seams on both sides.
High-Precision Welding Fixture: Fully conforming flexible pressing design ensures a welding yield of over 99%.
3.Reliability
Heat Control Technology: Controllable light source precisely manages heat thresholds, enabling controlled deformation of the bipolar plates.
Innovative Advanced Welding Process: Exclusive patented technology increases the molten metal area, significantly improving welding quality.
introduce:
As a heat source for welding, laser has the advantages of excellent collimation, high beam energy density, small action area, fast temperature increase, and fast condensation. During the welding process, the light beam generated by the laser is applied to the area to be welded through the optical path system composed of optical fibers, one layer is a light-transmitting layer, and the other is an absorbing layer; The plastics are melted into each other, and during the subsequent solidification process, the melted material forms a new mutual fusion material, which connects the welded parts. Features: 1. Low deformation caused by heat conduction 2. There is no concern of pollution or damage, it is not a contact welding work, and the loss and deformation of the welding head can be reduced 3. Adopt air-cooled heat dissipation. Increased device stability and light quality 4. The laser beam can be focused in a small area, and can weld small and closely spaced parts 5. The system is easy to operate and stable, using LCD display as the man-machine interface, the operation is intuitive and simple; it can weld a variety of different plastics together 6. High automation integration, online welding can be realized 7. Not affected by magnetic fields (arc welding and electron beam welding are easily affected), and welding of aligned weldments 8. Excellent welding quality and high machining accuracy 9. Good applicability Applicable industries: It is used for welding optical fiber connectors, microelectronic components, instruments, precision parts, etc. It is suitable for plastic welding applications. Used in home appliances, automobiles, computers, communications, aerospace and electronics industries.
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