Button lithium cell and preparation method thereof
A lithium battery and electrolyte technology, applied in the battery field, can solve the problems of low efficiency, high cost, and the battery electrical performance cannot fully meet the "power discharge characteristics, stable discharge platform and higher capacity".
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[0047] Such as Figure 4 As shown, a button-type lithium battery includes a negative electrode casing 401, a negative electrode current collector 402, a negative electrode 403, a positive electrode 406, a diaphragm 404 (containing electrolyte), a sealing rubber ring 405, a ring network integrated positive electrode ring 407, and a positive electrode casing 408. A negative electrode current collector 402 is arranged between the negative electrode 403 and the negative electrode casing 401, and a ring network integrated positive electrode ring 407 is arranged between the positive electrode 406 and the positive electrode casing 408, wherein the diaphragm 404 is arranged between the negative electrode 403 and the positive electrode 406, and the positive electrode 406 A diaphragm 404 is provided on one side, and the opposite side is covered by a current collector. A metal ring is provided on the outer side of the positive electrode. The metal ring and the current collector are integr...
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