Electric pile sealing plate assembling process
An assembly process and plate sealing technology, applied in circuits, manufacturing tools, fuel cells, etc., can solve the problems affecting the reliability and service life of flow batteries, the poor sealing effect between the sealing plate and the side of the stack, and the assembly quality of the stack sealing plate. It can avoid the leakage of electrolyte, improve the connection stability, and improve the assembly quality.
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Embodiment 1
[0038] An assembly process for stack sealing boards, mainly comprising:
[0039] Plane processing is carried out on the side of the stacking direction of the electric stack to make the side of the electric stack meet the flatness requirements. Boring machines and milling machines can be used to carry out planar processing on the side of the electric stack. After the flatness meets the requirements, the burrs and flashes are removed, and then After the assembly of the sealing plate, the side of the stack meets the flatness requirements to ensure that the entire surface of the sealing plate can be fully attached to the side of the stack, so as to ensure that the sealing plate and the side of the stack are fully welded and connected to avoid sealing There is a gap with the side of the stack to improve the sealing of the assembly;
[0040] During the entire assembly process of the sealing plate, the second force along the stacking direction of the stack is kept applied to the stac...
Embodiment 2
[0058] On the basis of Embodiment 1, the sealing plate is pressed against the side of the cell stack by the pressing mechanism, and the pressing mechanism is used to apply the first force to the sealing plate, specifically, as Figure 6 and Figure 7 As shown, the pressing mechanism 7 includes a pressing piece 71 and a transparent plate 72. The sealing plate 6, the transparent plate 72 and the pressing piece 71 are sequentially arranged from the side of the stack 4 outward, and the transparent plate 72 covers the entire sealing plate 6. There are screw holes on the edge of the pressure plate 21, the pressure piece 71 is screwed to the edge of the pressure plate 21, the pressure piece 71 presses the edge part of the transparent plate 72 so that the transparent plate 72 can press the sealing plate 6 tightly on the side of the stack, The pressing sheet 71 can be several sheets covering a small distance from the edge of the transparent plate 72, and the pressing sheet 71 can also ...
Embodiment 3
[0061] Such as Figure 13 As shown, on the basis of Embodiment 1, a flux material layer 10 is also provided between the sealing plate 6 and the side of the stack 4, and the flux material layer 10 becomes molten under the action of the laser to seal the The welding flux material layer can be an independent sheet material layer, and the welding flux material layer can also be prefabricated on the sealing plate or the side of the electric stack.
[0062] The materials of the flux material layer mainly include main materials and color additives, the main materials can be consistent with the materials of the sealing plate and the deflector, and the main materials are thermoplastic polymer materials, specifically including but not limited to polyethylene, polypropylene, Polyvinyl chloride, polystyrene, polyoxymethylene, polycarbonate, polyamide, acrylic plastic, other polyolefins and their copolymers, polysulfone, polyphenylene ether, etc., color additives include but not limited to...
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