GB/T 33143-2022 in English
VALIDAluminium and aluminium alloy foils for lithium ion batteries
- Issued on:2022-03-09
- Implemented on:2022-10-01
- File Format:PDF
- Delivery:Within 1 day
$264.00
《GB/T 33143-2022锂离子电池用铝及铝合金箔》由TC243(全国有色金属标准化技术委员会)归口,TC243SC1(全国有色金属标准化技术委员会轻金属分会)执行,主管部门为中国有色金属工业协会。
Introduction
Technology Evolution and Standard Upgrade Core
| Technology Dimensions | 2016 Edition | 2022 Edition Upgrade Points |
|---|---|---|
| Alloy Control | Five Basic Elements Detection | Added Control of Trace Elements Such as Fe/Cr |
| Detection Accuracy | Visual Sampling | Online Laser Hole Inspection (Φ≤0.02mm) |
Key Innovations in Coated Foil
Added >Double-sided coated foil category, clearly divide the coating surface density deviation into general precision grade (±0.10g/m²) and high precision grade (±0.05g/m²). The wetting tension of the plain foil is adjusted from 35mN/m to the bottom line of 30mN/m, balancing cost and performance.
Process quality assurance system
- Melt and cast process: dual furnace temperature monitoring error <±15℃
- Rolling control: range compensation algorithm dynamically adjusts the roller load
- Defect traceability: barcode + laser marking to achieve batch traceability

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