Laser precision welding method for edge sealing of soft-package aluminum shell battery cell
A precision welding and soft wrapping technology, applied in circuits, electrical components, sealing materials, etc., can solve the problems of air bubbles at the soft wrapping opening, the sealing performance of the soft wrapping and the sealing performance deterioration, etc., to avoid the embrittlement of the aluminum layer, High welding efficiency and the effect of avoiding burrs
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[0024] The present invention will be further described in detail below with reference to the drawings and specific embodiments.
[0025] The invention provides a laser precision welding method for edge sealing of a soft-clad aluminum shell cell, which includes the following steps:
[0026] (1) such as figure 1 As shown, on the workbench 10, the two battery core soft-clad aluminum-plastic composite films to be edge-sealed and welded are placed according to the edge-sealing welding position, so that the PP inner layer is placed relatively closely, that is, the lower nylon layer 1 from bottom to top. , The lower aluminum layer 2, the lower PP layer 3, the upper PP layer 4, the upper aluminum layer 5 and the upper nylon layer 6; wherein the thickness of the lower nylon layer 1 and the upper nylon layer 6 are both 10-100 μm, and the lower aluminum layer 2 and the upper The thickness of the aluminum layer 5 is both 10-100 μm, and the thickness of the lower PP layer 3 and the upper PP la...
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