Solution
| Project Category | Parameter Item | Prototype sample | Mass-produced assembly parts |
|---|---|---|---|
| Stacked CCS | Maximum length | 2000mm | 1000mm |
| Maximum width | 400mm | 400mm | |
| Insulating material | Adhesive-backed polyimide, adhesive-backed PET | Adhesive-backed polyimide, adhesive-backed PET | |
| Insulation material thickness | Polyimide: 25 μm–125 μm (yellow, white, black) PET: 25–125 μm (black, white) |
Polyimide: 25 μm–125 μm (yellow, white, black) PET: 25–125 μm (black, white) |
|
| Laser welding tensile strength | Y-direction tension: 60 N, Z-direction tension: 60 N Customizable according to customer‑specified design agreements and test validation. |
Y-direction tension: 60 N, Z-direction tension: 60 N Customizable according to customer‑specified design agreements and test validation. |
|
| Maximum operating temperature (°C) | 125℃ | 105℃ | |
| Busbar | Maximum busbar thickness | 5.0mm | 3.0mm |
| Busbar material | 1. Domestic AL1060, European Al1050 2. Nickel-plated copper |
1. Domestic AL1060, European Al1050 2. Nickel-plated copper |
|
| Busbar machining method | Laser cutting or soft-mold die-cutting | Hard mold cutting | |
| Surface treatment | Nickel plating: thickness 4–15 μm Tin plating: thickness 2–5 μm Epoxy powder coating: thickness 0.3–0.7 mm |
Nickel plating: thickness 4–15 μm Tin plating: thickness 2–5 μm Epoxy powder coating: thickness 0.3–0.7 mm |
|
| Surface roughness | Ra1.6, Rz6.3 | Ra1.6, Rz6.3 | |
| Cleanliness | ≤100RFU | ≤100RFU | |
| Dimensional tolerance | Length: ±0.20 mm Width: ±0.20 mm Aperture: ±0.15 mm Thickness < 1.0 mm: ±0.05 mm Thickness > 1.0 mm: ±0.10 mm Thickness > 1.5 mm: ±10% Distance from hole center to outer edge: ±0.20 mm |
Length: ±0.10 mm Width: ±0.10 mm Aperture: ±0.10 mm Thickness < 1.0 mm: ±0.05 mm Thickness > 1.0 mm: ±0.10 mm Thickness > 1.5 mm: ±10% Distance from hole center to outer edge: ±0.10 mm |
