battery material
Nickel Aluminum Tabs for Soft Pack Lithium Batteries
Item Number : BC-11
Price varies based on specs and customizations
- Material
- Positive aluminum; negative nickel.
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Introduce
Lithium-ion polymer batteries are used in everyday devices such as mobile phones, Bluetooth devices and laptops. Tabs are an important part of these batteries. They act as a connector between the positive and negative terminals of the battery, allowing charging and discharging. These contact points are located inside the battery, rather than the externally visible copper flakes.The tabs are made of different materials: the positive pole is aluminum, the negative pole is nickel, and the negative pole also has nickel-plated copper. They consist of a combination of thin films and metal strips. The film acts as an insulating layer, preventing short circuits and leakage during packaging.
There are three types of films currently on the market: black glue, white glue, and single-layer glue. Commonly used vinyl films have a three-layer structure, and each layer has a different melting point: melanin (66°C), PE (105°C) and PP (137°C).
Detail & Parts
Application
| Negative electrode material | nickel | Cathode material | aluminum |
| tape material | white glue | tape material | J7-100 |
| Substrate thickness | 0.1士0.1mm | Substrate thickness | 0.1±0.01mm |
| width | 10±0.1mm | width | 4±0.1mm |
| unit length | 50士1mm | unit length | 60±1mm |
| tab tape width | 5士0.5mm | tab tape width | 4±0.5mm |
| Total thickness of tab | 0.3±0.02mm | Total thickness of tab | 0.3±0.02mm |
| Adhesive strength between tab and tape | >7N/15mm | Adhesive strength between tab and tape | >7N/15mm |
| Corrosion resistance | Soaked in the electrolyte for 4 hours at 85°C, the material is stable, and the bonding between the lug and the substrate is stable. | ||
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