Integrated structure of ultrathin lithium-manganese battery
A lithium-manganese battery, ultra-thin technology, applied in battery electrodes, structural parts, battery pack components, etc., can solve the problems of low specific energy density of batteries, difficult to achieve automatic production, etc., to achieve easy welding, good flexibility and stability sexual effect
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Embodiment 1
[0037] Embodiment 1: CP042529 preparation
[0038] The positive pole piece is prepared according to the method introduced in the invention patent (application number: 201310258416.9). The thickness of the pole piece is less than 0.4mm. After repeated rolling, the thickness of the pole piece is less than 0.15mm. Stamped by the stamping equipment into the required size of the positive pole piece (pole piece size: 22*21mm, notch size: 2*16mm), put it into the oven and bake at 200°C for 2h, then press figure 1 Weld the positive tab as shown (0.05*3mm nickel tab, the tab width is adjustable), spare.
[0039] stamping image 3 The punched copper foil shown (copper foil size: 21*20mm, notch size: 3*8mm), and weld the negative electrode tab (0.05*3mm nickel tab, tab width adjustable) at the corresponding position, through the roller Pressing a thin lithium strip into a punched copper foil, see Figure 5 ,spare.
[0040] The preparation of the diaphragm is to prepare a certain conc...
Embodiment 2
[0043] Embodiment 2: CP042229 preparation
[0044] The positive pole piece is prepared according to the method introduced in the invention patent (application number: 201310258416.9). The thickness of the pole piece is less than 0.4mm. After repeated rolling, the thickness of the pole piece is less than 0.15mm. Stamped by the stamping equipment into the required positive pole piece size (pole piece size: 22*19mm, notch size: 2*13mm), bake in an oven at 200°C for 2 hours, and then press figure 1 Weld the positive tab as shown (0.05*3mm nickel tab, the tab width is adjustable), spare.
[0045] stamping image 3 The punched copper foil shown (copper foil size: 21*17mm, notch size: 3*5mm), and the negative electrode tab (0.05*3mm nickel tab, adjustable tab width) is welded at the upper right position, through Rolling presses thin lithium strips into perforated copper foil, see Figure 5 ,spare.
[0046] The preparation of the diaphragm is to prepare a certain concentration (5%...
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