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The most effective way to eliminate and suppress bubbles during manual or automatic battery injection
Date:2019-03-10 browse:1731
In the existing battery production process, the electrolyte will inevitably dissolve part of the gas during production,
transportation and use, and more bubbles will be generated in the injection pipeline due to the sudden change of air pressure during the battery injection process.
It often leads to bubbles, drops, and hangs in the inlet and outlet pipes during liquid injection, which directly lead to unstable injection accuracy, etc.,
and there are more bubbles in the injected electrolyte, which seriously affects the battery capacity and cycle life,
leading to a decline in product quality.
At this time,
we Ji kerr to introduce to you the most economical and practical method how to inhibit the electrolyte bubble during the battery injection process.
Economy type (Figure 1)
Two stainless steel electrolyte static tanks are used, which are A and B tanks respectively. When the battery is injected,
we press the electrolyte of the mother tank to tank A through nitrogen, and when the desired liquid level is reached, we vacuum and stand the tank A,
and the gas produced in the process of nitrogen pressure is pumped out through the vacuum source. After tank A is standing,
close the vacuum valve and open the ball valve from tank A to tank B. The electrolyte standing in tank A will naturally flow into tank B.
Tank B shall be maintained at unlimited pressure and connected to the liquid injection pump.
This method can basically completely inhibit and eliminate the generation of electrolysis. Automatic replenishment and physical agitation type (Figure 2)
Automatic replenishing liquid and physical stirring type electrolyte vacuum bubble removal revolving tank device. The utility model comprises A liquid storage device,
a vacuum auxiliary device, a liquid injection device A, a liquid injection device B, a vacuum stirring device,
a liquid injection pump and a liquid injection pump controller connected with the main controller.
Through the setting and coordination of the vacuum stirring device, liquid storage device and vacuum auxiliary device, the electrolyte is removed from the bubble treatment,
and the treated electrolyte enters the injection device A and the injection device B respectively.
The injection device A adds the electrolyte into the injection device precisely through the injection pump.
When the electrolyte stored in the injection device A reaches the lower limit,
Liquid injection device B provides electrolyte for the liquid injection component to realize the function of continuous feeding for the liquid injection component;
When cleaning is required, directly connect the liquid interface to the cleaning liquid for cleaning.