Tianmu Lake Institute of Advanced Energy Storage Technologies Co., Ltd.2019                                                               Powwed by:www.300.cn Changzhou  苏ICP备14056531号-1号

Technical and

Engineering Service

EV pouch cell

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Preparation Process Diagram  (Can be adjusted to demand)

   

Equipment Introduction

NO

Name

Picture

Environment

Equipment Capability Paramete

1

Stacking Machine

 

Dew-point: - 50;

Dust Control: Class 100,000

1. Stacking speed: 1.3-1.5s/plate.

2. Alignment accuracy of single plate: ±0.45mm; overall alignment accuracy of plates: ±0.6mm; alignment accuracy between plate and separator: center deviation < 0.4mm (MD); alignment accuracy of separator: < 0.4mm.

3. Length of plate: 75-310mm(including tab), width of separator: 80-300mm, cell size: 80-310mm.

2

Hot-pressing Machine

 

Dew-point: - 50;

Dust Control: Class 100,000

1. Pressure: 1000-7000kgf.

2. Hot-pressing time: 0-200s.

3. Hot-pressure temperature: 40-150.

4. Available cell size: thickness :5 ~ 30mm, width :100 ~ 200mm;Height: 70 ~ 240 mm.

3

Ultrasonic Welding Machine

 

Dew-point: - 50;

Dust Control: Class 100,000

1. Accuracy of tab welding position: ±0.5mm;

2. The machine is equipped with dust removal mechanism and has the function of detecting the occurrence of welding. The position of welding spot is adjustable;

3. Pre-welding area: 6mm×3mm, cutting precision of tab length: ± 1mm.

4. Final-welding area: 15mm×4mm, maximum number of tab layers: 80 layers.

4

Packing Foil Forming Machine

 

Dew-point: - 50;

Dust Control: Class 100,000

1. Alignment accuracy of top edge: <±0.3mm.

2. Maximum area of shell: 360mm*180mm.

5

Top Side Sealing Machine

 

Dew-point: - 50;

Dust Control: Class 100,000

1.Head temperature: (RT -250)±3.

2. Time: 0.5-99s.

3. Uniformity of head temperature: temperature distribution range at each point is less than ±3.

4. Head temperature rise speed: 20 minutes (from 25 to 200).

5. Head parallelism: <0.01mm.

6. Precision of sealing thickness: <0.02mm (use the hard sealing mode).

6

Electrolyte Injection Machine

 

Dew-point: - 60;

Dust Control: Class 100,000

1. Injection accuracy: ≤± 0.3% * injection amount.

2. Single injection volume: 170ml.

3. Maximum vacuum degree: -95kpa.

4. Available sealing length: 350mm.

5. Head temperature accuracy: ±3°C.

6. Sealing thickness: <0.025mm.

7

Hot Pressing Formation Machine

 

Dew-point: /;

Dust Control: Class 100,000

1. Voltage test range: charge: DC 0-5000 mV; discharge: DC 2000~5000 mV.

2. Current test range: charge& discharge: DC 20-50000 mA.

3. Cylinder pressure range: 0-5T.

4. Pressure of single-layer fixture: adjustable in range 0-10kgf/cm2.

5. Temperature detection range: -25°C -125°C.

6. Temperature measurement and control accuracy: ±1°C.

7. Temperature control range: RT - 90°C.

8. Having voltage and safety protection function.

8

Second Sealing Machine

 

Dew-point: /;

Dust Control: Class 100,000

1. Sealing temperature: RT - 300.

2. Sealing time: 0 - 5s.

3. Sealing pressure: 0-4kpa.

4. Sealing width: 8-10mm.

5. Available sealing length: 320mm.

6. Uniformity of head temperature:±5.

7. Sealing accuracy: ±10μm.

8. Available Al-plastic film sealing thickness: 265-290μm.

9. Sealing mode: vacuum pre-sealing + second sealing.

9

Folding& Cutting& Smoothing Machine

 

Dew-point: /;

Dust Control: Class 100,000

1. Cutting accuracy: ±0.2mm.

2. Preheating temperature of folding fixture: 100-200; temperature control accuracy: ±3.

3. Folding mode: three-step folding.

4. Folding method: first folding 180°, the second folding 90°.

5. Final smoothing mode: by hot pressing.

6. Minimum width of first folding: 3mm.

10

Grading Machine

 

Dew-point: /;

Dust Control: Class 100,000

1. Voltage test range: charge: DC 0-5000mV; discharge: DC 2000~5000mV.

2. Current test range: charge & discharge: DC 20-50000mA.

3. Having voltage and safety protection function.