Entering the modernized lithium battery super factory, the most shocking thing is not the roaring
machinery, but the precision like an operating room like a clean workshop. In a constant temperature
and humidity environment, the silver-white giant equipment silent operation, thin as a cicada wing
electrode material with a speed of several meters per second shuttle, and ultimately encapsulated
into a drive the world's energy core. Supporting all this, it is the continuous evolution of lithium
battery manufacturing equipment - this trillion industry track the real “invisible champion”.
Extremely thin and precise: electrode manufacturing millimeter
battlefield
The foundation of lithium battery performance begins with the electrode. Manufacturing equipment must
achieve absolute control on the micron scale:
Homogenizing System: Molecular-level Dispersing Art
Twin-planet mixer shears powerfully under vacuum to anchor nanoscale conductive agents and binders uniformly
on the surface of the active material. Viscosity sensor monitors the status of the slurry in real time to ensure that the
error in rheological properties is less than 3% for each batch.
Coating Die Head: The Battle of ±1.5μm Precision
Double-layer extruded coating machine runs at a constant speed of 0.5m/s, and the gap between the steel die lips is
precisely controlled at 100-250μm. The on-line β-ray thickness gauge is dynamically adjusted at a response speed of
0.1 second to compress the fluctuation of coating thickness on the 8-meter wide copper foil to within ±1.5μm.
Rolling Maze: Balancing Act of Density and Porosity
20-ton hydraulic rolling mill applies precise line pressure to the electrode, compacting the fluffy coating to 92%-95%
of the theoretical density through multiple passes of graduated compression. Laser range finder provides real-time
feedback on the amount of rebound of the pole piece, and fine-tunes the roll gap to maintain the stability of the
pore structure.
Core molding: the ultimate game of speed and yield
When the coated electrodes enter the core assembly line, the equipment faces more severe challenges:
Laser cutting: burr control at 0.1μm level
picosecond laser cuts the electrode lugs at a speed of 200mm/sec, and the water cooling system ensures that
the heat-affected zone is less than 10μm. High-speed vision detector screens 5,000 cuts per minute to lock the
metal burr under the 0.1μm threshold.
Stacking revolution: 0.15 seconds / piece of ultra-high speed
Maglev-driven stacking platform in the XYZ three-axis synchronized movement, the robot to 0.15 seconds / piece
of speed precision stacking positive and negative poles. CCD camera real-time corrective action, the misalignment
of the interlayer control within ± 0.3mm, compared with the traditional way to speed up 300%.
Liquid injection: second-level penetration control
Vacuum liquid injection chamber precisely injects electrolyte into the capillary pores of the core at -95kPa. The
multi-stage gradient pressurization system completes the infiltration within 120 seconds, and the residual bubble
volume is compressed to less than 0.01%.
Smart Factory: Data-driven Manufacturing Revolution
A new generation of equipment is reconstructing the lithium battery production line:
Digital twin system: mapping 2000+ equipment parameters in virtual space in real time, predicting roller press
bearing life error <8 hours
AI Visual Quality Inspection: Deep learning model identifies 23 types of defects such as coating dark spots and
diaphragm wrinkles within 0.8 seconds, with a detection rate of 99.97%.
Modularized design: Flexible production line compatible with 4680/blade/solid-state battery, switching product
models requires only 4 hours of reconfiguration.
Green Manufacturing: Zero Carbon Mission for Equipment Manufacturers
Cutting-edge equipment integrating low carbon technology:
Heat recovery rate of drying process increased to 85%.
Magnetic Levitation Conveyor System Saves 40% Energy Compared to Conventional Chains
Helium Leak Detector Reduces Detection Gas Consumption by 90 Percent
In the dimly lit environment of the lithium battery super factory, precision equipment operates like a symphony orchestra.
When the robotic arm sends the finished battery cells into the aging workshop, these equipments that unite nano-scale
precision and millisecond response are quietly rewriting the global energy landscape. From the lab to the gigafactory, each
generation of equipment innovation has driven a leap in energy density and a precipitous drop in cost. In this battlefield
ruled by data and precision, manufacturing equipment is not only a production tool, but also the core engine driving a
zero-carbon future.