Preparation method of lithium ion battery
A technology for lithium-ion batteries and positive plates, which is applied in secondary batteries, circuits, electrical components, etc., can solve problems such as eliminating irregular deformation of batteries, affecting overall battery performance, and inconsistent thermal conductivity, and achieves reduced conductive internal resistance and effective Conducive to the number of cycles and rate discharge performance, the effect of reducing the conduction distance
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[0027] refer to figure 1 , specify a kind of lithium ion battery preparation method, comprise the following steps:
[0028] 1) Prepare the positive electrode sheet, the positive electrode sheet uses aluminum foil or aluminum mesh as the metal current collector, the positive electrode active material includes lithium compound active material, conductive agent, binder and solvent, the positive electrode active material is coated on the aluminum foil or aluminum net, and heat to remove the excess positive electrode active material on aluminum foil or aluminum net, then press it into a certain thickness with a roller press, and cut it into a long strip of positive electrode sheet;
[0029] 2) Prepare the negative electrode sheet, the negative electrode sheet adopts copper foil or copper mesh as the metal current collector, the negative electrode active material includes graphite carbonaceous material, conductive agent, adhesive and solvent, and the negative electrode active materi...
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