High-power cylindrical lithium ion battery
A lithium-ion battery, high-power technology, applied in the direction of secondary batteries, circuits, electrical components, etc., can solve problems affecting battery performance, high electrode impedance, temperature rise, etc., to achieve uniform current distribution, good discharge performance, and slow down The effect of impedance
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[0017] Hereinafter, the present invention will be further described in detail through specific embodiments in conjunction with the drawings.
[0018] In this embodiment, a high-power cylindrical lithium-ion battery is provided. The battery is equipped with multiple positive and negative lugs, which can effectively reduce the internal resistance in the pole piece and is not easy to generate heat under high power conditions. The structure can also be used in other batteries.
[0019] Such as figure 1 As shown, the high-power cylindrical lithium-ion battery of this embodiment mainly includes a casing 1, a cover plate 2, and a winding core pole group 3 housed in the casing 1. The center of the winding core pole group 3 is a steel core 4, the steel core 4 is used to fix the winding core pole group 3, the steel core 4 is located in the center of the housing 1, and the winding core pole group 3 is sleeved on the steel core 4.
[0020] The coiled core pole set 3 is formed by winding the pos...
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