A lithium-ion battery cell production system

Abstract

The invention discloses a lithium-ion battery cell production system, which comprises a bottom box and a top box fixedly installed on the top of the bottom box through a support column. The bottom of the inner wall of the top box is fixedly installed with a hydraulic lifting mechanism through a mounting frame, and the hydraulic lifting The protruding end of the mechanism is provided with a charging jig, and a partition plate is fixedly connected between the two sides of the inner wall of the bottom box, and the bottom of the inner wall of the bottom box is fixedly installed with a immersion tank through the connecting plate. The invention relates to a lithium battery field of production technology. The lithium-ion battery cell production system can completely avoid the cell from being in contact with the outside world before pressurized formation, and achieves a good result by integrating the three processes of baking, electrolyte filling and pressurized formation into one It is completed by sealing equipment, which solves the problem of secondary pollution caused by the contact between the battery cell and the outside world during the processing process. It does not need to go through multiple transfers for subsequent processing procedures, and the production process is simple.

Description

technical field [0001] The invention relates to the technical field of lithium battery production, in particular to a lithium ion battery cell production system. Background technique [0002] Lithium-ion battery is a kind of secondary battery, which mainly relies on lithium ions to move between the positive and negative electrodes to work. During the charging and discharging process, Li + Intercalation and deintercalation back and forth between two electrodes: when charged, Li + It is deintercalated from the positive electrode and inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true when discharging. The preparation method of the lithium-ion battery cell is as follows: [0003] 1. Match the positive and negative plates, add insulating diaphragm paper and wind them up. [0004] 2. Put the rolled battery core into the shell, weld the cap, and perform laser welding to seal. [0005] 3. Put t...

AI Technical Summary

Problems solved by technology

[0014] Aiming at the deficiencies of the prior art, the present invention provides a production system for lithium-ion battery cells, which solves the problem of cumbersome transfer of existing lithium-ion battery cells in the transfer production process, and the long exposure time is easy to be polluted, which affects the quality of the cells. The quality of the product cannot completely solve the problem of secondary pollution caused by the contact with the outside world during the processing of the battery, and the production efficiency is low, the production cost is high, the production is cumbersome, and the production flexibility of the battery processing equipment is poor.

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