18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah
polymer lithium battery

Primary battery

Rechargeable Battery

LR03 alkaline battery

21700 battery

release time:2024-09-03 Hits:     Popular:AG11 battery

Important components of battery winding machine, market demand of 21700 battery winding machine industry

 

Important components of lithium-ion battery winding machine, market demand of 21700 battery winding machine industry. In recent years, the explosive growth of lithium-ion battery production companies has promoted the rapid development of my country's lithium-ion battery equipment industry. Lithium-ion battery winding machines can be divided into three types: manual winding machines, semi-automatic winding machines and fully automatic winding machines. In 2010, the concentration of the domestic 21700 battery winding machine market was further strengthened.

 

Important components of lithium-ion battery winding machine

 

Lithium-ion battery winding machine is an important component of 21700 battery winding equipment. It has a great impact on the quality and life of the battery. Its design will be of great use to the automation of the battery. Lithium-ion battery winding machine is used to wind lithium-ion battery cells. The winding machine has positive and negative feeding units, and the part that winds the positive and negative electrodes together is called winding needle.

 

Frame

 

It consists of a structural frame and mounting panels.

 

Winding device

 

It is composed of a winding mechanism that can move the workstation, and the winding motor adopts a combination of a stepper motor and a planetary reducer.

 

Pole piece supply device

 

It is composed of a guide plate and a vacuum system.

 

Auxiliary pressing plate and cutting device

 

It is composed of a pressing plate and a blade.

 

Tape supply device

 

It is composed of a mechanical chuck, a tape clamping cylinder, a tape pulling cylinder, a tape fixing cylinder, a tape cutting cylinder, a tape connecting cylinder, a tape feeding swing arm cylinder, a transition wheel, etc.

 

Electrical control part

 

It is composed of PLC, human-machine interface, stepper motor, stepper motor driver, proximity sensor, photoelectric sensor, cylinder magnetic sensor, button switch, solenoid valve and cylinder.

 

Market demand for 21700 battery winding machine industry

 

Currently, the battery cell manufacturing of power lithium-ion batteries is mainly divided into two processes: winding and lamination. Among them, cylindrical and square batteries are mainly produced by winding process, while soft-pack batteries are mainly produced by lamination process. Since the winding process can achieve high-speed production of battery cells through the rotation speed, while the speed that can be increased by the stacking technology is limited, the current domestic power lithium-ion battery is mainly based on the winding process, so the shipment volume of the winding machine is greater than that of the stacking machine.

 

At present, with the rise of domestic battery cell companies, the process of domestic equipment replacing imports is also accelerating. Domestic companies are based on some high-end products, driving the continuous improvement of the overall equipment technology level and gradually catching up with foreign countries. While the performance of domestic companies' products is constantly improving, the price and service advantages are gradually becoming more obvious compared with foreign countries. The price of winding machines of foreign brands is 20%-30% higher than that of domestic high-end brands. In terms of comprehensive cost and technology, the competitive advantage of domestic 21700 battery equipment is constantly expanding.

 

The market concentration of domestic 21700 battery winding machines is also further strengthened. The top five companies, Pioneer Intelligent, Yinghe Technology, Chengjie Intelligent, Jiyang Intelligent, and Huaguan Technology, have a market share of more than 90%, among which Pioneer Intelligent has a market share of more than 60%, and the market oligopoly characteristics are becoming increasingly obvious.

 

According to industry organizations, the growth rate of the 21700 battery equipment industry will remain at around 30% in the next five years. In 2020, the domestic market demand alone will reach 34 billion yuan, and the output value of domestic equipment is expected to exceed 27 billion yuan. At present, leading 21700 battery companies such as CATL, BYD, Panasonic, LG Chem, and Samsung SDI have set off a wave of production expansion, which will surely drive global equipment demand, and the business opportunities in the winding machine market are huge.

 

The production process of lithium batteries is complex, including many links, and a large number of motion control products will be used. With the continuous expansion of the power 21700 battery market, the demand for 21700 battery winding machines has exploded. In the future, in the field of 21700 battery equipment, the motion control market will also usher in huge development space.


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