Filling

Principle and application

Suitable for mixing 300L/ H-1500L /h mixer, the whole equipment layout is compact, equipped with high-performance control system and sensor, strong stability. High pulping efficiency, low energy consumption, small workshop space occupation, clean, easy maintenance, saving long-term operating costs, good dispersion effect, can achieve continuous, mass production.

Optional

300L/h-1500L/h

Pulping system is optional

300L/h-1500L/h

Main Material

Feeding Accuracy

when feeding quantity ≥150kg, accuracy: ± 0.1%

when feeding quantity <150kg, accuracy: ± 150g

Auxiliary Material

Feeding Accuracy

when feeding quantity ≥30kg, accuracy: ± 0.1%

when feeding quantity <30kg, accuracy: ± 30g

Equipment advantage

●Save energy, reduce consumption, and save operating costs

●Confined environment operation, low environmental requirement, to prevent slurrying process and quality from

being effected by the environmental factors

●Automatic feeding and distribution system to reduce labor costs

●Compact system layout, compressed equipment shape, reduced footprint

●High-performance control system and sensors, strong stability, connection with MES can be upgraded

●Continuous production, small feeding volume, continuous output after 1 hour

Stir

Principle and application	The equipment can operate automatically according to the prepared mixing process by intelligent control panel or central control system; It is equipped with two spiral-type mixing slurry and two groups of zigzag dispersion disks, respectively driven by double planetary structure, which can meet the efficient mixing between various powders and liquids. After stirring, dispersing and other processes, it can control the particle size, the uniformity of particle distribution and the consistency of viscosity; At the same time, the mixing barrel has the function of quick replacement and vacuum sealing, and the bubbles in the slurry can be eliminated by vacuuming; So as to meet the mixing, pulp process requirements.
Equipment composition	The equipment is composed of column structure, transmission part, sealed container, lifting system, control system, etc.
Applicable powder	PVDF, CMC, conductive agent, lithium iron phosphate, lithium cobalt, ternary, graphite, etc.;
Production of slurry viscosity	1000-100,000 MPa.s, solid content is applicable to 30%-70%, and 85%-100%,
Planetary rotation（revolution）	0-35rpm
Propeller speed（autorotation）	0-60rpm
Dispersion speed	0~5000 RPM, variable frequency speed regulation
Mixing parameter control	Mixing and dispersing time, speed and vacuum, temperature PLC automatic control

Coating

Principle and application	The equipment drives the slurry through the rotation of the coating roller, adjusts the slurry transfer amount by adjusting the blade gap, and transfers the slurry to the substrate by the rotation of the back roller or the coating roller, controls the thickness of the coating layer to meet the weight requirements according to the process requirements, at the same time, the solvent in the slurry laid on the substrate is removed by drying and heating, and the solid matter is well bonded to the substrate.
Equipment speed	Max5m/min
Coating method	Continuous coating/transfer gap coating
Principal material	Lithium cobaltate, ternary material, lithium iron phosphate, lithium manganate
Viscosity	1500 ~ 30000cps
Coating width	100-300mm
Single surface density range	Positive electrode 100-300g/m2, negative electrode 100-250g/m2;
Dry coating thickness	50-200um
Coating dry thickness error	One side ±2μm; Both sides ±3μm (except edge, head and tail 8mm)
Appearance requirement	No wrinkles, no damage, no wave edge, no scratch, no crack, no bulge, no pollution

Electrode making

Principle and application	The equipment is composed of unwinding, front and rear tension control, front and rear correction control, stretching mechanism, preheating (only positive electrode), roll pressing, thickness measurement, winding and so on. After rolling the pole sheet, the coating layer density increases and the thickness accuracy improves, which can meet the requirement of constant tension unwinding to constant pressure rolling and then to automatic winding, and historical data query and export. Key parameter real-time display, problem alarm and cause tracing functions.
Equipment speed	10m/min（Max 15m/min）
Foil thickness	+：10～30um -：6～20um
Pole plate thickness	50～300 µm
Foil width W1	≤400mm
Roll plate thickness accuracy	±2μm（Normal area），CPK≥1.33 ±3μm（Thinned zone），CPK≥1.33
Compaction density	（Positive electrode compaction） 3.4 g/cm3~3.6 g/cm3（ternary），2.2g/cm3~2.6 g/cm3（Lithium iron）；（Negative electrode compaction） 1.5 g/cm3~1.7 g/cm3
Winding alignment	±0.5mm
Appearance requirement	No wrinkles, no damage, no wave edge, no scratch, no crack, no bulge, no pollution, etc

Assemble

Principle and application	The device adopts the Z-shaped laminated mode. The diaphragm is introduced into the lamination table through the tension mechanism and the correction mechanism, and the lamination table drives the diaphragm to move around and around to place the pole piece. The positive and negative pole pieces are removed from the material box respectively by the suction mechanism of the manipulator, and are accurately positioned on the lamination table after the secondary positioning platform. After the lamination is completed, the battery cell is transferred by the battery cell load shifting mechanism, the diaphragm is cut off, and the adhesive is automatically affixed.
Lamination speed (S/ piece)	1.0～1.2
Positive-negative positioning	It can realize vertical and horizontal CNC adjustment, the adjustment range is 0-20mm, the accuracy is ±0.05mm
Station detection	Ultrasonic sensor to detect the pole plate to prevent multiple pieces, less pieces, missing pieces and alarm stop; Mechanical positioning, pole plate corners and pole ear Angle detection and alarm stop
diaphragm	Active unwinding; Tension control; Diaphragm correction; Remove static electricity from diaphragm; Diaphragm end alignment accuracy: ±0.3mm (head and tail alignment ±0.5mm);
Number of lamination	It can be set within the thickness adaptation range
High precision	Through the precise positioning of the pole pieces, the overall accuracy of the pole pieces in the stack is guaranteed to reach ±0.5mm (the alignment accuracy of the adjacent pole pieces is ±0.3mm). Alignment accuracy between pole plate and diaphragm: center deviation ±0.3mm.
Controls	0.5 micron dust particles, not less than 1000 (measurement position), no corrosive gas, liquid, explosive gas on site.
Qualified rate (except bad incoming materials)	More than 99% (except bad incoming materials)

Back section

Principle and application	The oven can be used for baking and aging of lithium battery cells and pole pieces, and the reflective plate is uniform and the air flow technology is used. Intelligent process control and problem tracing have significantly improved in terms of high temperature, constant temperature, vacuum maintenance, rising and cooling speed. The program can be set cycle 0-99 times adjustable, heating time 0-999 minutes adjustable, vacuum time 0-999 minutes, standing time 0-999 minutes, nitrogen filling time 0-999 minutes, hot air cycle time 0-999 minutes
Control mode	Set parameters according to the on-site production process (such as heating, vacuum, static baking, nitrogen filling, hot air circulation, cooling and cooling, etc.). After the setting is completed, start the program, and the oven will automatically run the set process
Air source pressure	Compressed gas: 0.4~0.6Mpa, maximum flow value: 1L/s Vacuum source: 0.5~5Pa, minimum pumping speed: 500m³/H Dry gas :0.5~0.2MPa, maximum flow value: 5m³/H
Basic heating principle	Internal and external double circulation, internal circulation before and after cross air heating control
Oven temperature	Normal temperature ~150℃ can be set, the instrument can adjust the compensation value
Heating rate	No-load non-vacuum condition: 85℃≦45min Full load non-vacuum condition: 85℃≦90min
Cooling mode	The oven phase with automatic cooling function is connected to the chiller, and the chiller forces the outer layer of the oven to cool.
Vacuum pump port limit pressure	Vacuum pump; SV300B+JRP1000 Roots pumping speed: 1000L/min: limit pressure; ≦5pa.
Full load empty reach pressure value of tank	About 10pa~100pa: The specific vacuum value is related to the vacuum time, and the high vacuum must be pumped for a long time to be effective. The actual vacuum value is a gradual value, which is related to time and volume of objects. If the vacuum degree is closer to the no-load vacuum value, it means that the water removal effect is more thorough.