T/CCLLA 005-2025 Active Group standards

T/CCLLA 005-2025 Lithium ion battery using aluminum-plastic composite film based on dry process

Publish Date: 2025-09-12 Implement Date: 2025-09-12 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CCLLA 005-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Films and sheets

Publish Date: 2025-09-12

Implement Date: 2025-09-12

Scope

The surface shall be free from cracks, wrinkles, or pinholes. There should be no scratches wider than 0.2 mm and longer than 10 mm, and no foreign objects with a diameter greater than 1.0 mm. The flatness deviation of the end face shall not exceed ±1 mm. Dimensions and deviations The dimensions and deviations shall comply with the provisions of Table 2. Table 2: Dimensions and Deviations Item Thickness range Deviation Dimensions and deviations Thickness (μm) 88 Nominal value ±4 113 Nominal value ±6 153 Nominal value ±8 Length (m) - Nominal value (0–5) Printability Printability is indicated by the wetting tension of the outer surface of the aluminum-plastic composite film, which should not be less than 30 mN/m. Tensile properties The tensile properties shall comply with the provisions of Table 3. Table 3: Tensile Properties Aluminum-plastic composite film thickness (μm) Tensile strength (N/15 mm) Elongation at break (%) 88 ≥70 ≥50 113 ≥90 ≥60 153 ≥110 ≥60 Initial peel strength The initial peel strength of the inner layer (CPP and Al) shall not be less than 8 N/15 mm, and the initial peel strength of the outer layer (PA and Al) shall not be less than 2 N/15 mm.