Prismatic cell battery production process
prismatic cell battery refers to a battery with an aluminum as the outer shell. It uses a laser sealing process. The fully sealed aluminum shell technology is very mature, and the requirements for material technical indicators (such as gas production and expansion) are not high. It is a very mature form of power battery. Compared with the other two lithium battery forms, cyclinder cell and pouch cell battery, prismatic battery cell have outstanding advantages in market use, mainly including:
① High packaging reliability;
② High system integration efficiency;
③ Relatively light weight and high energy density;
④ Simple structure and convenient capacity expansion, which is the main path choice for single-cell large capacity;
⑤ High single-cell capacity, simple system structure, and convenient battery management.
prismatic cell battery lithium battery production line equipment
prismatic cell lithium battery production line is an important link in the production process of power batteries. It has a significant impact on the performance and service life of the battery. Therefore, the degree of automation and accuracy of operation of the lithium battery production equipment are increasingly attracting market attention.
Xiaowei has a very mature and proven prismatic-cell battery production line that has been recognized in the market. The production line equipment has the following characteristics:
① Strong compatibility, can be customized and compatible with a variety of different series of products according to customer requirements.
② Modular design, short changeover time, fewer parts, and low cost.
③ High battery production accuracy, visual and mechanical dual positioning methods, improve positioning accuracy.
④ Non-standard customization of fully automatic assembly lines can be achieved according to the battery cells of different process routes of customers.
⑤ Reasonable layout of process equipment, space saving, full automation of the entire line, and very low labor costs.
⑥ High manufacturing quality assurance, real-time detection and monitoring.
⑦ Manufacturing guarantee of battery safety and consistency.
The lithium battery production line is used to realize the automatic assembly of the battery cells after winding/stacking of prismatic aluminum shell lithium-ion power batteries. It is mainly composed of the following parts: hot pressing test machine, pairing machine, ultrasonic welding machine, adapter welding machine, core assembling machine, film coating/hot melting/gluing machine, shell pre-spot welding machine, laser top cover welding machine.
It can realize the functions of battery cell hot pressing, X-ray detection, ear pre-welding pairing, adapter ear welding, back gluing, cover laser welding, gluing, folding ear core assembling, gluing, film coating, shell entry, top cover sealing welding, etc., and realize full automation in the whole process.
The overall layout is reasonable, the equipment is compact, the whole process is automatically monitored and intelligent, each device can realize the traceability function, connect to the MES system, upload data to the system in real time, and the equipment runs stably. In addition, our prismatic battery production line has been put into production in large quantities in the factories of foreign customers, and has been fully verified, and the technology of each equipment is mature.
Customizable lithium-ion prismatic battery production line
For the design of the aluminum shell lithium battery production line, there will be different designs according to the needs of customers. We will consider the following aspects based on the problems encountered in the production process and the corresponding practices:
① Product process: including the size of the battery, the size of the pole ear, the thickness of the welding, etc.
② Factory space size: Reasonably arrange the specific location of the production line equipment, as well as the mechanism to be optimized, etc., and also consider ergonomics, the convenience of manual operation, and the operability of later maintenance.
③ Equipment design: The simpler the structure, the better, so that it is easier to operate.
④ The distribution of beats in the production line: focus on the efficiency of the bottleneck station. If the efficiency is not achieved, consider changing the single station to a double station or even a multi-station. At the same time, high safety performance and product qualification rate are also our key considerations.
⑤ Product positioning method: Different product positioning methods are adopted for different customer needs, such as side positioning, positioning based on both sides, and fixture positioning.
⑥ Dust prevention device: In the cylindrical battery assembly line equipment, basically every device that needs dust removal has corresponding dust removal facilities, such as dust collectors, brushes, etc.
⑧ Quality inspection: CCD inspection, battery thickness inspection, insulation inspection, short circuit inspection, etc. will be designed in the whole set of assembly lines.
⑨ The consistency of the appearance of the production line maintains the beauty of the whole set of equipment.
If you are interested in our prismatic battery production line, please feel free to contact us!
We also provide cylindrical batteries and pouch cell battery production line equipment to meet your different battery production needs.
