A cell is the smallest unit of a battery system. Multiple cells form a module, and then multiple modules form a battery pack, which is the basic structure of a vehicle power battery. A battery is like a container for storing electric energy. The capacity it can store depends on how much active substance it contains in the positive and negative electrodes. The design of positive and negative electrode plate needs to be customized according to different models. The gram capacity of positive and negative electrode materials, the ratio of active material, the thickness of electrode sheet and the compaction density are also very important to the capacity.
Pulping of active material - stirring process
Stirring is the stirring of the active material through a vacuum mixer into a slurry. This is the first process of battery production. The quality control of this process will directly affect the quality of batteries and the qualified rate of finished products. And the process process is complex, the ratio of raw materials, mixing steps, mixing time and so on have higher requirements.
What we're stirring here is the active material of the battery.
In addition, dust needs to be strictly controlled during the stirring process to prevent dust from affecting the consistency of the battery. In the production workshop of Ningde era, the dust control level is equivalent to medical level.
