The core of lithium battery manufacturing equipment
Dec 12,2025.
1.Overcoming the capacity bottleneck and achieving fast and cost-effective production

One of the core functions of lithium battery manufacturing equipment is to significantly increase battery production efficiency while reducing energy consumption and costs. In the pulping process, in addition to the ultrasonic cavitation pulping equipment developed by Zhongke Leishun (which triples the production capacity and reduces energy consumption by 78%), there are also high-speed dispersers and double-planet mixers, which can quickly mix the positive electrode materials (lithium cobalt oxide, lithium iron phosphate), anode materials (graphite, silicon-based), binders, and solvents evenly, preventing agglomeration that could affect subsequent processes. Each unit can process tens of tons of slurry per hour. In the drying process, in addition to the flat infrared drying equipment developed by Leiso New Materials (which reduces energy consumption by 50% and shrinks the oven by 30%), vacuum freeze-drying machines and hot air circulation ovens are also widely used, which can precisely remove moisture from the current sheet and battery cells, ensuring stable battery performance. In the sheet manufacturing process, high-precision coating machines can evenly coat the slurry on copper and aluminum foils, with a coating speed of over 100 meters per minute, which is 2 times more efficient than traditional equipment; the roller press can compress the sheet to the specified thickness, ensuring uniform energy density, and each unit can process tens of thousands of meters of sheets per day. These devices enable the simultaneous realization of "high production, energy saving, and space-saving", helping enterprises gain a competitive edge in the market.

battery making machine


2. Strictly control product quality and reduce defects and losses

The quality of lithium batteries directly affects safety and lifespan during use, and manufacturing equipment is the key to quality control. In the welding process, Jieopt's laser welding equipment (with an accuracy of 20 micrometers) can handle the welding of tabs and cell casings, and can detect the depth of fusion in real time to avoid false welding; there is also an ultrasonic welding machine, which is suitable for low-temperature welding of electrode sheets and tabs, reducing material damage. In the inspection process, Guoyuan's AI visual inspection equipment can automatically identify defects such as burrs, scratches, and missed coatings on the electrode sheets, with an inspection accuracy rate of 99.9%; the X-ray inspection machine can penetrate the cell to check the alignment of the internal electrode sheets and the welding quality, avoiding safety hazards caused by internal defects. In the assembly process, the fully automatic winding machine and laminating machine can precisely wind or laminate the positive and negative electrode sheets and the separator, with an error control of micrometer level, ensuring the regularity of the cell structure; the injection machine can inject the electrolyte quantitatively, avoiding excessive or insufficient injection that affects the battery's cycle life. These devices are like "precise quality inspectors", making the produced batteries more stable and reliable.

battery material

3. Adapt to new materials and new technologies, promoting industry upgrading
With the emergence of new technologies such as silicon-based materials and solid-state batteries, traditional equipment has been unable to meet the demands. New manufacturing equipment has become the key to technology implementation. For silicon-based anode materials (which are prone to expansion), the upgraded nano-scale pulping equipment can evenly disperse the silicon particles, and the dedicated coating machine can control the thickness and density of the coating to avoid cracking of the electrode sheet caused by expansion; the vacuum oven can complete drying at a lower temperature to protect the performance of silicon-based materials. For solid-state batteries, specialized equipment such as solid-state electrolyte coating machines, high-temperature sintering furnaces, and ion implantation equipment have emerged - the solid-state electrolyte coating machine needs to achieve ultra-thin and uniform electrolyte coating deposition, and the high-temperature sintering furnace can ensure the interface bonding between the electrolyte and the electrode. These equipment make it possible for solid-state batteries to move from the laboratory to mass production. In addition, in the production of cylindrical batteries, the winding machine and sealing machine, in the production of square shell batteries, the shell forming machine and top cover welding machine, and in the production of pouch batteries, the hot press machine and packaging machine, have all been upgraded according to different battery shapes to adapt to the diverse product demands. It is the progress of equipment that has driven the technological iteration of the entire lithium battery industry.
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