Product Description:
Spray drying is a common method used in the production of materials for lithium batteries, particularly for creating uniform and spherical particles used in cathodes or anodes. Here’s a brief overview:
Process Description:
Feed Preparation: A liquid slurry containing the precursor materials is prepared. This slurry typically includes metal salts for cathodes or silicon/graphite for anodes.
Atomization: The slurry is atomized into fine droplets using a spray nozzle.
Drying Chamber: The droplets are introduced into a hot air stream, rapidly evaporating the solvent and forming solid particles.
Product Collection: The dried particles are collected at the bottom of the chamber or through cyclones.
Features:
Uniform Particle Size: Produces particles with consistent size and shape, crucial for battery performance.
Scalability: Easily scaled for industrial production.
Controlled Morphology: Allows control over the porosity and surface area of particles.
Technical Parameters:
| Model | PLG |
| 5 | 25 | 50 | 100 | 150 | 200-2000 |
| inlet temperatyre ℃ | 140-350 automatically controlled |
| outlet temperatyre ℃ | 80-90 |
| Max water evaporation capacity kg/h | 5 | 25 | 50 | 100 | 150 | 200-2000 |
| centrifugal spraying nozzle transmission mode | compressed air transmission | mechaical transmission |
| rotation speed (r.p.m) | 25000 | 18000 | 18000 | 18000 | 15000 | 8000-15000 |
| spraying desc diameter (mm) | 50 | 100 | 120 | 140 | 150 | 180-340 |
| max electric heating power (kw) | 9 | 36 | 63 | 81 | 99 | settled by customer |
| overall dimensions | 1.8*0.93*2.2 | 3*2.7*4.26 | 3.7*3.2*5.1 | 4.6*4.2*6 | 5.5*4.5*7 | depends on tryer |
| dried powder collection | ≥95 | ≥95 | ≥95 | ≥95 | ≥95 | ≥95 |
Applications:
Cathode Materials: Commonly used for nickel-cobalt-manganese (NCM) or lithium iron phosphate (LFP) materials.
Anode Materials: Used for silicon or other advanced anode materials Considerations:
Temperature Control: Critical to prevent decomposition of sensitive materials.
Solvent Recovery: Efficient systems are needed to recover and recycle solvents.
Key Benefits for Battery Performance
Improved Energy Density: Uniform particles enhance packing density.
Enhanced Cycle Life: Consistent particle size reduces degradation over cycles.
Better Electrochemical Performance: Improved conductivity and ion transport.
If you need more detailed information or specific data, feel free to ask!
