A kind of manufacturing method of anti-vibration cylindrical lithium-ion battery
A technology of lithium-ion batteries and manufacturing methods, which is applied in the field of manufacturing vibration-resistant cylindrical lithium-ion batteries, can solve problems such as the inability to meet the requirements for the use of impact electric drills, and achieve the effect of facilitating expansion and enhancing tensile performance
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Embodiment 1
[0029] The manufacturing method of the vibration-resistant cylindrical lithium-ion battery of the present embodiment comprises the following steps:
[0030] Step 1. The positive pole piece is made, and the production process is as follows:
[0031] Step 101, preparation of positive electrode slurry: adding active material, conductive agent and binder to the solvent and stirring at high speed until uniformly mixed, vacuumizing and defoaming to obtain positive electrode slurry; the positive electrode slurry is made of the following raw materials in parts by weight Components: 94 parts of active material, 3.5 parts of conductive agent, 2.5 parts of adhesive, 60 parts of solvent; the active material is nickel-cobalt-manganese ternary, the conductive agent is super conductive carbon black and carbon nanotubes, the adhesive The bonding agent is polyvinylidene fluoride; the solvent is N-dimethylpyrrolidone;
[0032] Step 102, coating: uniformly coat the positive electrode slurry des...
Embodiment 2
[0043] The manufacturing method of the vibration-resistant cylindrical lithium-ion battery of the present embodiment comprises the following steps:
[0044] Step 1. The positive pole piece is made, and the production process is as follows:
[0045]Step 101, preparation of positive electrode slurry: adding active material, conductive agent and binder to the solvent and stirring at high speed until uniformly mixed, vacuumizing and defoaming to obtain positive electrode slurry; the positive electrode slurry is made of the following raw materials in parts by weight Composition: 98 parts of active material, 1 part of conductive agent, 1 part of adhesive, 40 parts of solvent; the active material is lithium cobaltate, the conductive agent is graphite, and the adhesive is polyvinylidene fluoride; Described solvent is N-dimethylpyrrolidone;
[0046] Step 102, coating: uniformly coat the positive electrode slurry described in step 101 on both sides of the current collector aluminum foi...
Embodiment 3
[0057] The manufacturing method of the vibration-resistant cylindrical lithium-ion battery of the present embodiment comprises the following steps:
[0058] Step 1. The positive pole piece is made, and the production process is as follows:
[0059] Step 101, preparation of positive electrode slurry: adding active material, conductive agent and binder to the solvent and stirring at high speed until uniformly mixed, vacuumizing and defoaming to obtain positive electrode slurry; the positive electrode slurry is made of the following raw materials in parts by weight Components: 88 parts of active material, 6 parts of conductive agent, 6 parts of adhesive, 55 parts of solvent; the active material is lithium iron phosphate, the conductive agent is super conductive carbon black, graphite and carbon nanotubes, the adhesive The bonding agent is polyvinylidene fluoride; the solvent is N-dimethylpyrrolidone;
[0060] Step 102, coating: uniformly coat the positive electrode slurry descri...
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Abstract
Description
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