If the liquid leaks, the main reasons are:

1.The internal pressure is too large; 2. The external package is unqualified.

In the process of battery manufacturing, if the following problems occur, it is easy to cause battery leakage: 

1. When welding the battery shell and cap, the welding is not firm, not sealed, there are leaks, virtual welding, and the weld has cracks and other problems; 

2. When the steel ball is sealed, the size of the steel ball is not appropriate, and the material of the steel ball is not the same as the material of the cap; 

3. The positive electrode of the cap is not riveted tightly, there is a gap, and the elasticity of the insulating gasket is inappropriate, not corrosion resistant, and easy to age.

How to prevent battery leakage?

The following aspects should be done to prevent battery leakage:

1. When welding the battery shell and the cap, the welding should be firm and sealed, and the welding should be free of missing or false welding, and there should be no cracks and other defects in the welding seam.

2. When the steel ball is sealed, the size of the steel ball is appropriate, and the material of the steel ball is the same as that of the cap. The welding has no cracks, cracks and the welding is firm.

3. The positive pole of the cap is connected tightly, without gaps, and the insulating gasket has proper elasticity, corrosion resistance and not easy to aging.

ACEY provides Electronic liquid injection pump，can control the amount of injection to prevent leakage due to too much injection.