Device and method for manufacturing lithium ion battery winding spacing
A lithium-ion battery and gap technology, applied in the direction of secondary batteries, final product manufacturing, sustainable manufacturing/processing, etc., can solve problems such as battery deformation, achieve the effect of releasing internal stress, solving deformation, and improving production efficiency
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Embodiment 1
[0028] Example 1: see figure 2 The device for manufacturing the winding gap of lithium-ion batteries provided in this embodiment includes a pole piece driving wheel 1, a diaphragm driving wheel 2 and a winding machine 3, and also includes a PLC controller 4, an encoder 5, a sensor 6 and a coating machine 7. The PLC controller 4 is electrically connected to the encoder 5, the sensor 6 and the coating machine 7 respectively, and the encoder 5 is respectively connected to the pole piece driving wheel 1, the diaphragm driving wheel 2, the winding machine 3 and the coating machine 7, and the coating The coating machine 7 is provided with a coating head 8 and a control system. Among them, the encoder 5 is a high-precision encoder 5 .
[0029] Wherein, the coating head 8 is located directly above the pole piece before winding. The coating material is contained in the coating machine 7 . The coating is ethylene carbonate or dry ice. Among them, ethylene carbonate itself is a comp...
Embodiment 2
[0030] Example 2: see image 3 The device for manufacturing the winding gap of lithium-ion batteries provided in this embodiment includes a pole piece driving wheel 1, a diaphragm driving wheel 2 and a winding machine 3, and also includes a PLC controller 4, an encoder 5, a sensor 6 and a coating machine 7. The PLC controller 4 is electrically connected to the encoder 5, the sensor 6 and the coating machine 7 respectively, and the encoder 5 is respectively connected to the pole piece driving wheel 1, the diaphragm driving wheel 2, the winding machine 3 and the coating machine 7, and the coating The coating machine 7 is provided with a coating head 8 and a control system. Among them, the encoder 5 is a high-precision encoder 5 .
[0031] Wherein, the coating head 8 is located at the side of the corner of the pole piece during winding. The coating material is contained in the coating machine 7 . The coating is ethylene carbonate or dry ice.
[0032] The invention also provid...
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