A lithium ion battery
A lithium-ion battery and cell technology, applied in secondary batteries, battery pack components, circuits, etc., can solve problems such as easy to be pierced or damaged, low mechanical strength, and cell failure
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[0023] The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.
[0024] Such as Figure 1 to Figure 5 As shown, the lithium-ion battery of the present invention, an embodiment thereof, includes a battery cell (not shown) and a casing (not shown) with an inner cavity, the battery cell is arranged in the inner cavity, and the casing includes a cover plate , the cover plate includes a first metal sheet 11, the first metal sheet 11 is at least provided with a first through hole 12, a second through hole 13 and a liquid injection hole 16 passing through the upper and lower surfaces, and a negative electrode is arranged in the first through hole 11 An insulator 15 is provided between the post 14 , the first through hole 12 and the negative post 14 , and the liquid injection hole 16 is used to inject electrolyte into the battery. The cover plate also includes an explosion-proof device. The explosion...
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