Anode substrate

Cathode substrate

Name

Copper foil

aluminum foil

Thickness

(8-30) μm

(10-30) μm

Substrate width

(200-320) mm

(200-320) mm

2. Coating parameter

Material name

Anode slurry

Cathode slurry

Graphite, mesophase carbon, hard carbon, etc.

Lithium cobalt oxide, lithium nickel cobalt manganese, lithium manganate, lithium iron phosphate, etc.

Coating dry thickness

(50-150) μm (without foil, single-sided dry material)

(50-150) μm (without foil, single-sided dry material)

Wet coating thickness

100μm～300μm

100μm～300μm

Solid content

(40-70) ±5%

(30-80) ±5%

Specific gravity

(1.0-1.4) g/cm3

(1.0-2.5) g/cm3

Viscosity

(2500-8000) CPS

(1000-10000) CPS

Temperature

According to the process control RT～140℃, using electric heating

Solvent

NMP oil system/water system

NMP oil system/water system

3. Machine basic parameter

Coating roll width

400mm

Effective coating width

300mm and below;

Coating method

Continuous extrusion coating (including strip coating)/intermittent extrusion coating

Dressing coating speed

1～5m/min (related to oven temperature, slurry state and coating process settings);

power supply

380 V x 50 Hz, three-phase (control power supply 220 V x 50 Hz, single-phase)

Total power

Max 50KW

Gas source

0.6 MPa

The total length of the machine: not more than 10 meters

1

Roller installation structure

Rack installation

2

Roller surface treatment

Surface oxidation of metal aluminum roller

3

Tension control system

Closed loop automatic control constant tension, tension range 0~50N

4

Correction method

Automatic EPC control, stroke 80mm

5

Coiling method

The material roll is fixed with a 3-inch air shaft;

6

Direction of substrate movement

Forward and reverse

7

Base material running speed

5m/min

8

Maximum unwinding diameter

Ф300mm

9

Maximum bearing capacity of inflatable shaft

100Kg

10

Number of unwinding inflatable shafts

1 piece

11

Main drive motor

Servo motor + precision planetary reducer

12

Adjust the knife

Servo + Keyence grating ruler

13

Roller surface treatment

The surface of the metal aluminum roller is oxidized, and the circle runout ≤30um

14

Coating method

Continuous extrusion coating / gap extrusion coating

15

Die parameters

* Die width: at 20 degrees Celsius, the die length is 400mm0.5mm;

* Mold body material: 15-5ph stainless steel;

* Polishing accuracy of runner surface: 4-6Ra (micro inches);

* Feeding position: back feeding;

* Products and applications: 3-300 micron positive/negative slurry, lithium ion battery applications

16

Coating roll (steel roll)

* Special steel pipe, diameter Ø120mm, hard chrome plating

* Circle runout accuracy within 2um

* Linear speed range 2~5m/Min

* There is no abnormal noise, abnormal vibration and heat generation in all parts when driving

17

Roll specifications

Diameter Ø80mm, surface covered with imported EPDM glue

18

Extrusion die head movement

* Base drive: button operation (large range movement using air cylinder)

* Gap fine adjustment: button operation (use servo motor action)

* Gap detection: grating ruler (accuracy 1um)

19

Single head position

Installation and operation before drying tunnel

1

Screw pump

Japanese Heishin screw pump

2

Transfer tank

30 liters in volume, pressure control, liquid level detection, slow stirring,

3

Material reflow coating controller

Material reflow coating controller

4

filter

The mesh number is customized according to customer needs

5

Iron remover

Above 8000 Gauss

6

Pressure balance buffer

Ensure the pipeline pressure is balanced

7

Pipes and accessories

Stainless steel quick couplings and stainless steel pipe fittings

8

Pressure monitoring system

Pressure monitoring system

1

Oven structure

Double heating, arranged up and down

2

Oven length

6 meters (2 meters/section*3)

3

Material

SUS304 stainless steel, inner tank 1.0mm, outer tank 1.2mm

4

Oven guide roller transmission mode

Passive roller drive

5

temperature control

Divided into normal working temperature control, over-temperature monitoring and alarm protection control, cut off the heating power when over-temperature; each section is completely independent control

6

Heating method

Electric heating, hot air circulation structure

7

Heating power of single section oven

12KW/2m

8

Temperature in the drying tunnel

Max.150℃, temperature difference in single oven ≤5℃

9

Surface temperature of cabinet during operation

≤45℃

10

Blowing method

The upper and lower air blows, and the upper and lower air volumes are separately controlled by valves; the upper and lower air chambers share the heating body

11

Each section of exhaust air volume control

Circulating fan air volume 3000m³/h (single section)

Exhaust air volume 4000m³/h

12

Nozzle structure

The blowing direction is 30 degrees to the level, and the nozzle slot is slotted by a special mold

13

Heating control

solid state relay

14

Fan material

SUS304 stainless steel

15

Solvent recovery system

Optional

16

NMP solvent concentration alarm

Optional(add $4390)

1

Tension

1 set is installed in front of the traction roller, which can automatically control constant tension, the tension range is 0~50N, and servo winding.

2

Installation structure

Square through frame welding bottom frame, single-sided vertical plate

3

Number of winding shafts

1 piece

4

Winding diameter

Ф300mm

5

Winding correction

Automatic EPC control, stroke 80mm

1

Main control system

Touch screen, PLC, module, servo system

2

Operation mode

Manual, automatic, emergency stop;

3

Coating, intermittent length setting range

Coating length 20.0～3200.0mm

Intermittent length 5.0～3200.0mm

4

Alarm situation

When the device fails, the touch screen will display the corresponding correction screen

5

Counting function

Production quantity/length

2

glue roll

Circle runout≤10um, straightness≤10um

3

Correction deviation

±0.1mm

4

Temperature control accuracy

±2℃

B (abnormal area of the head)

C (abnormal area of tail)

D (edge effect area)

E (length error)

F (width error)

M (width error)

G1 (head thickness)

G2 (Tail thickness)

H (blank error)

I (positive and negative bit error)

L1 (coating film length)

Length range

L2 (intermittent length)

5.0～3200.0mm

L1/L2(coating+discontinuous length)

1

air switch

CHNT/DELIXI

2

PLC

OMRON

3

touch screen

WEINVIEW

4

modular

OMRON

5

Intermediate relay

Schneider

6

servo motor

Mitsubishi

7

Planetary reducer

Fenghua

8

Circuit breaker

Schneider

9

AC contactor

Schneider

10

Solid state relay

FOTEK

11

thermostat

OMRON

12

Automatic deviation correction

Ultrasonic

13

Optical fiber electric eye

KEYENCE

14

Push the cylinder

AirTAC/CHELIC

15

Coating roller

Hard chromium electroplating

16

Guide roller

Anodic treatment of aluminum alloy surface

17

Frequency converter

Delta

18

Coating die

Imported from Japan

19

Screw pump

Heishin