A Better Life with Batteries – How to Make a Battery Step.2 Cell Assembly: Pouch Battery 2

After a case is made in the pouch battery assembly process, battery ingredients need to be put in the case. Among many methods of doing so, we will look at lamination and stacking today.

Stacking up Battery Ingredients

First, bi-cells, in which electrodes and separators are joined, are produced. Then, they undergo lamination, a step where half-cells that consist only of separators and anodes are attached to them, and stacking up the cathode and anode on each side of the separators. The result is battery ingredients with layers of electrodes and separators.

Higher Energy Density

Lamination and stacking further improve energy density by making full use of the space inside the pouch case. LG Energy Solution is harnessing the method in producing various pouch batteries from a super-slim battery less than 2 mm thick to a long cell.

We explored the assembly process of pouch batteries. We will dig into the assembly process of cylindrical batteries that are assembled in another way next time!

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