Circular high-power lithium ion battery structure and preparation method thereof
A lithium-ion battery, high-power technology, applied in the manufacture of electrolyte batteries, secondary batteries, structural parts, etc., can solve the problems of heating, short life, and insufficient cruising range of lithium-ion batteries, and achieve a reasonable overall structure of the battery. flow capacity, the effect of ensuring reliability
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[0053] In order to better explain the present invention and facilitate understanding, the present invention will be described in detail below through specific embodiments in conjunction with the accompanying drawings.
[0054] see figure 1 - Fig. 6, a kind of lithium-ion battery of the present invention, mainly is the improvement to the positive and negative pole terminal (20,30) lead-out structure of high-power cylindrical lithium-ion battery, the structure of lithium-ion battery of the present invention mainly includes battery case 10. Positive terminal 20 , positive cap 21 , negative terminal 30 , battery cell 40 , and positive insulating sheet 22 .
[0055] Among them, such as figure 1 As shown, the shape of the battery case 10 in this specific embodiment is an integrally formed cylindrical steel case, the outer diameter of the battery case is 18-40mm, the inside of the battery case 10 is hollow, and the battery case 10 The top has an opening, and the bottom of the batte...
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