In the manufacturing process of lithium-ion power battery, the compaction density has a great influence on the battery performance. Experiments show that the compaction density is closely related to specific capacity, efficiency, internal resistance and battery cycle performance. Finding the best compaction density is very important for battery design.

Generally speaking, the greater the compaction density, the higher the capacity of the battery, so the compaction density is also considered as

One of the reference indexes of material energy density.

Compaction density is not only related to particle size and density, but also related to particle gradation. Generally speaking, particles with high compaction density have a good normal distribution. It can be considered that under certain technological conditions, the higher the compaction density, the higher the capacity of the battery.