Lithium battery injection can be divided into two steps:filling and infiltration.Infiltration is a more critical and difficult step.During this step,electrolyte is diffuse at electrode.There are three force interactions in this process:the pressure Fi from the electrolyte flow, the capillary force due to the surface tension Fs, and the resistance Fg generated by the air in the hole.So,Vacuum-pressure filling is beneficial to electrolyte infiltration.When filling the electrolyte, vacuuming the battery can reduce the resistance generated by the air, while pressurizing the electrolyte can increase the driving force of the liquid flow. 

Our filling machine can help us achieve the filling effect that we want(Our liquid filling machine can help us achieve the liquid injection effect we want.). 

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