High-rate high-capacity extremely-simple battery sealing cover, cylindrical battery and assembly process
A cylindrical battery, high-capacity technology, applied in the direction of cylindrical shell battery/battery, battery pack components, sealing materials, etc., can solve the problems of increased cost, multiple molding steps, and temperature rise, so as to improve life and safety. performance, simple assembly process, and high-rate charge and discharge
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[0042] refer to figure 2 with image 3As shown, it is Embodiment 1 of the present invention. In this embodiment, since the distance between the cover plate 110 and the second electrode is relatively long, the cover plate 110 is set to connect the second electrode through the second tab 160. The second tab 160 has an annular structure, so that the contact area between the second tab 160 and the cover plate 110 and the winding core assembly 300 is large enough. Since the projection of the ring-shaped second tab 160 covers the insulating support 140 for a week, in order to connect the cover plate 110 and the second tab 160, the cover plate 110 is provided with a downwardly recessed groove 114, and the insulating support 140 A connection hole 142 matching the groove 114 is defined, and the bottom surface of the groove 114 passes through the connection hole 142 and is fixedly connected to the second tab 160 . Since the distance between the cover plate 110 and the second tab 160 ...
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