A kind of preparation device and preparation method of gel polymer lithium ion battery
A lithium-ion battery and gel polymer technology, which is applied in the manufacture of electrolyte batteries, secondary batteries, battery pack parts, etc. Improved reliability and uniform thickness
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Embodiment 1
[0040] In this embodiment, a preparation device for a gel polymer lithium-ion battery is provided, please refer to figure 1 , figure 1 It is the structural diagram of the preparation device of the gel polymer lithium ion battery in the embodiment of the present application, such as figure 1 As shown, the device includes:
[0041] A container group, the container group comprising: two first containers 1 and two second containers 2, electrolyte solution is housed in the two first containers 1; gel is housed in the two second containers 2 Electrolyte precursor fluid;
[0042] Two sets of first pulley sets 3, the two sets of first pulley sets 3 are respectively wound with a positive pole piece 4 and a negative pole piece 5; the two sets of first pulley sets 3 are partially located in the two sets of first containers 1, When the two sets of first pulley sets 3 rotate, the positive pole piece 4 and the negative pole piece 5 are driven to soak in the electrolyte;
[0043]Two sets...
Embodiment 2
[0069] Provide a kind of preparation method of gel polymer lithium ion battery in this embodiment, please refer to figure 2 , figure 2 It is a flow chart of the preparation method of the gel polymer lithium ion battery in the embodiment of the present application, such as figure 2 As shown, the method includes:
[0070] Step S201, soaking the positive pole piece and the negative pole piece in the electrolyte, and soaking the two sets of separators in the gel electrolyte precursor liquid;
[0071] Step S202, extruding the infiltrated positive electrode sheet, separator, negative electrode sheet and separator together in sequence to form an extrusion material;
[0072] Step S203, winding the extruded material for battery assembly.
[0073] In the embodiment of the present application, before soaking the positive pole piece and the negative pole piece in the electrolyte, it further includes: performing dewatering and dust removal treatment on the positive pole piece and the...
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