Method for drying lithium ion battery pole pieces
A technology of lithium ion battery and drying method, which is applied in the directions of pretreatment surface, coating, device for coating liquid on the surface, etc. The effect of efficiency
Inactive Publication Date: 2014-09-10
赖昭文
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The invention discloses a method for drying lithium ion battery pole pieces, and relates to the technical field of lithium ion batteries. The method comprises the following steps that the lithium ion battery pole pieces are placed in a vacuum drying box to be dried, the drying temperature is 80-120 DEG C, pressure is 0.02-0.05 MPa, and the drying time is 6-10 minutes; nitrogen is led into the drying box for 10-15 minutes, the drying box is vacuumized to 0.02-0.05 MPa, the step A and the step B are sequentially executed for three times, and the dried lithium ion battery pole pieces are obtained. Compared with the prior art, drying time is shorter, energy consumption is low, the dried pole pieces are good in softness, battery manufacturing is facilitated, and battery production efficiency can be conveniently improved.
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