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Power type lithium battery full-automatic production line and production technology thereof

A production process, lithium battery technology, applied in the direction of electrolyte battery manufacturing, non-aqueous electrolyte battery, final product manufacturing, etc., to achieve the effect of full automation

Active Publication Date: 2016-01-27
东营黄蓝知识产权运营管理有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems existing in the existing power lithium battery production line and production process, improve the key equipment and key process of the production line through independent research and development, optimize the configuration of unit equipment and then improve the capacity matching and overall configuration of the entire production line, and propose a A kind of power type lithium battery automatic production line and its production process

Method used

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  • Power type lithium battery full-automatic production line and production technology thereof
  • Power type lithium battery full-automatic production line and production technology thereof
  • Power type lithium battery full-automatic production line and production technology thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] first combined with figure 1 Explain the fully automatic production line for power lithium batteries:

[0067] The production line consists of pole piece production unit, battery assembly unit, battery liquid injection unit and delivery processing unit. The automatic control system of each unit mainly uses PLC, industrial computer, hydraulic and pneumatic components for electrical control, and the transmission and transfer are in charge of the conveyor belts inside and between the units.

[0068] pole piece production unit

[0069] The pole piece production unit is composed of 2 mixers 1, 2 coating machines 2, 1 rolling machine 3, 1 continuous drying machine 4, 2 slitting machines 5 and 8 punching machines 6, in turn The pole piece production unit performs the processes of mixing ingredients, coating, rolling, baking, slitting and punching pole pieces, and transfers them to the battery assembly unit through the conveyor belt after completion.

[0070] The operation...

Embodiment 2

[0103] The negative electrode material in Example 1 is a modified negative electrode material, and its preparation method steps: mix 90Kg of modified lithium titanate, 15Kg of acetylene black and 15Kg of PVDF evenly, then add 20Kg of organic solvent N-methyl-2-pyrrolidone, and mix well , that is;

[0104] The preparation method of the modified lithium titanate is as follows: take 18Kg of lithium hydroxide, 12Kg of metatitanic acid, and 4Kg of terpineol, add 300Kg of deionized water, heat to 55°C, and keep for 4 hours to obtain a suspension Add 17Kg of oleic acid, 3Kg of hydrogenated castor oil, 10Kg of graphene, 3Kg of titanium dioxide, 3Kg of dibenzoyl peroxide, 15Kg of silane coupling agent, and 8Kg of surfactant into the suspension, stir evenly, and heat to 55°C. Keep for 2 hours to obtain a modified suspension; filter the modified suspension with a microfiltration membrane, sinter the obtained particles at 1150° C. for 7 hours, and cool to room temperature.

Embodiment 3

[0106] In the present embodiment, oleic acid is modified by vulcanization, and the modification method is: in a three-necked flask equipped with a stirring device, add 50 g of oleic acid, and under constant stirring, add 15 g of sulfur monochloride (S 2 Cl 2 ), control the reaction temperature below 40°C, after the dropwise addition, continue to react for 2 hours, slowly add about 100ml of sodium polysulfide solution to the reactant, stir and react fully, remove the water layer, and then add a little reduced iron powder, remove the free sulfur in the reaction system, and filter to obtain an oily substance.

[0107] The preparation method of the modified negative electrode material, the steps are: mix 90Kg of modified lithium titanate, 15Kg of acetylene black and 15Kg of PVDF evenly, then add 20Kg of organic solvent N-methyl-2-pyrrolidone, and mix evenly to get ready;

[0108] The preparation method of the modified lithium titanate is as follows: take 18Kg of lithium hydroxide...

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Abstract

The invention relates to a power type lithium battery full-automatic production line and a production technology thereof. The power type lithium battery full-automatic production line mainly consists of a pole piece manufacturing unit, a battery assembling unit, a battery liquid injecting unit and a factory processing unit; each unit key equipment electrical control system is composed of a PLC, an industrial personal computer, a hydraulic and pneumatic component; the PLC controls each mechanism of the equipment to act in a coordinated manner; and the industrial personal computer collects data to realize the function that the data of the whole line can be stored, read and the like. The main effects lie in that mutual matching of production efficiency of each unit is realized through key debugging for production parameters, a conveyor is adopted in an intermediate link, and full automation of production process is finally realized; the production line is compatible with multi-standard battery production requirements, the production when the product is remodeled can be realized just by adjusting the equipment parameters and replacing partial work fixtures, and order form-based production requirement of the product is met; key equipment and technology on the line are independently researched and developed, the operation is reliable and stable, and the production line has higher cost performance.

Description

technical field [0001] The invention relates to the technical field of lithium battery production equipment and production technology, and specifically refers to a fully automatic production line for power type lithium batteries and its production technology. Background technique [0002] With the shortage of energy and the pressure of the world's environmental protection, large-capacity power batteries have gradually become the main body of power sources. Among them, lithium batteries, as green batteries, will not cause secondary pollution and have no memory effect, etc., and gradually become the power source market. App's first choice. The power type lithium battery has the advantages of high energy, high battery voltage, wide operating temperature range, long storage life, high power tolerance, low self-discharge rate, light weight, green environmental protection, and no memory effect. It is mainly used in hybrid power Vehicles, electric vehicles, electric bicycles, and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M10/058
CPCH01M10/058Y02E60/10Y02P70/50
Inventor 高义新高义山韩登峰张青喜李志永臧传武
Owner 东营黄蓝知识产权运营管理有限公司
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