| Basic parameters of substrate |
| |
Negative substrate |
Positive substrate |
Remarks |
| Name |
copper foil |
Aluminum Foil |
|
| Thickness |
(4.5-20) μm |
(9-30) μm |
|
| Substrate width |
(400-500) mm |
(400-500) mm |
|
| Coating parameters |
| Material Name |
negative electrode slurry |
positive electrode slurry |
|
| Graphite, mesophase carbon, hard carbon, etc. |
Lithium cobaltate, lithium manganate, lithium iron phosphate, ternary, etc. |
|
|
Double coating dry
Thickness
|
(50-200) μm
(excluding foil single-sided dry material)
|
(50-200) μm
(excluding foil single-sided dry material)
|
|
| Wet Thickness of Coating |
100μm
~ 400μm
|
100μm
~ 400μm
|
|
| Solid content |
(45-48) % |
Three yuan: 66-70%
Manganese: 66-70%
Lithium iron: 52-58%
Pure cobalt: 66-70%
|
Variation range of solid content: ± 0.5;
Temperature: 26±2 ℃;
|
| Specific Gravity |
(1.0-1.5) g/cm 3 |
(1.0-2.5) g/cm 3 |
|
| Viscosity |
2000-4000 CPS |
Three yuan: 4000-6000CPS
Manganese: 4000-6000CPS
Lithium iron: 8000-12000CPS
Pure Cobalt: 4000-6000CPS
|
Negative electrode viscosity variation range: ± 200/2h;
Variation range of cathode viscosity: ± 500/2h;
|
| Temperature |
According to the process control RT ~ 140 ℃, using electric heating method |
|
| Solvent |
NMP oil system/water system |
NMP oil system/water system |
|
| Weight error |
Single side≤ ± 1.3% Double side≤ ± 1.2% |
Single side≤ ± 1.3% Double side≤ ± 1.2% |
|
| Machine basic parameters |
| Coating roll width |
600mm |
|
|
effective coating
Width
|
480mm and below; |
|
| Coating method |
Continuous, gap extrusion coating (including strip coating) |
|
|
dressing coating
Speed
|
1~8 m/min (related to slurry state and coating process setting); |
|
|
Maximum machinery
Speed
|
30m/min |
|
| Power |
380V x 50Hz, 3 phase (control power 220V x 50Hz, single phase) |
protective grounding |
| Total power |
Maximum 145KW |
|
| Air Source |
0.6MPa |
|
| Overall dimensions of the machine: 20 long x 3.4 wide x 3.0 m high (related to the configuration, the length is about 1.5m longer for each additional thickness measurement) |
| 4. Safety requirements |
| Comply with relevant national standards. |
| 5. Environmental requirements |
|
Equipment use environment requirements: ambient temperature 20-28 ℃, humidity below 35%, no flammable, corrosive gas;
Cleanliness: Class 100000;
Compressed air: after drying, filtering and stabilizing pressure: the air pressure is greater than 5.0kg/cm2; the air consumption is about 4m 3/h;
Equipment noise requirements: 1m away from the equipment working position measurement, noise ≤ 75dB;
Ground requirements: the foundation is cement ground or terrazzo ground, flatness 2mm/㎡, bearing capacity 1000 ㎏/㎡;
|
| 5. Parameters of drying part |
| Drying oven serial number |
Drying air mode |
Temperature |
Length |
|
NO. 1
NO. 2
NO. 3
NO. 4
|
Hot air circulation system, up and down respectively out of the wind active transmission
Hot air circulation system, up and down respectively out of the wind active transmission
Hot air circulation system, up and down respectively out of the wind active transmission
Hot air circulation system, up and down respectively out of the wind active transmission
|
70 - 110°C
70 - 140°C
70 - 140°C
70 - 110°C
|
3m
3m
3m
3m
|
| Number of temperature control zones: |
4 sections (3 m section) |
|
| Total length of oven: |
Approximately 12 meters |
|
| Heat source: |
Electric heating |
|
| Temperature: |
MAX: 140℃ |
|
|
Oven surface
Temperature:
|
Temperature rise is not more than 50 ℃ (excluding oven door) |
|
