
4.5μm Double-Sided Bright Lithium Battery Copper Foil
JIMA Copper is doing copper foil of Li-ion battery 4.5um to 14um more than 12 years. and production capacity 150000tons /years.
Features:
1,Good conductivity;
2,relatively soft texture;
3,corrosion resistance;
4, oxidation resistance;
5,good strength and ductility;
6,good hydrophilicity;
7,chromium-free and environmentally friendly
Application:
1,Power batteries for new energy vehicles;
2,batteries for 3C and consumer electronics products (smartphones, tablets, laptops, digital cameras, power tools, home emergency power
supplies, drones);
3,energy storage batteries;
4,printed circuit board (PCB) field.
Project | Unit | Technical Requiremente | |||||
Thickness | μm | 4.5 (0;+2) | 6 (0;+2) | 8 (0;+2) | 10 (0;+2) | 12 (0;+2) | |
Unit Area weight | g/m2 | 40±1.5 | 54±1.5 | 72±2 | 87±2 | 105±2 | |
Roughness | M side Rz | μm | ≤3.0 | ||||
S side Ra | μm | ≤0.32 | |||||
Tensile Strength | 25℃ | MPa | ≥300 | ≥300 | ≥300 | ≥300 | ≥300 |
Wettability | dyn | ≥38 | |||||
Antioxidant Capacity | 140℃ 15min No oxidation or discoloration 140℃ 15min No oxidation |
Remark: accept customization, Standard Width,100-1440(±1)mm,
JIMA Copper
Jima Copper is a professional supplier of high-precision copper and copper alloy series of foil roll brand. Jima provided 4-800μm thick copper foil, Maximum width 1580 mm, Jima copper foil production capacity is sufficient, with complete varieties, excellent quality.
Jima specializes in the research, development, promotion and application of new technology of rolling copper foil, and it is equipped with a research center of rolling copper foil engineering technology. Jima copper can stably provide various specifications of high-precision flat foil (hard foil, soft foil, semi-hard foil, etc.) and surface treatment foil (red dumb copper foil, black dumb copper foil, high corrosion resistance rolled copper foil, etc.). The products are widely used in electromagnetic shielding, heat dissipation, graphene conductive film production, aerospace, flexible copper plate, lithium battery, 5G communications, LED, intelligent vehicles, drones, wearable electronics and other fields, which is highly recognized and praised by customers. And it is exported to Korea, Japan, Germany, the United States, Russia, India and other countries.