Chromium-free Lithium Battery Copper Foil

Typical Thickness: 4.5um 6um 8um 10um 12um

Surface: Single – or double – sided polished.

Purity: Copper purity of 99.8% or more.

Sizes: Customizable in width and length.

Core ID:76mm/152mm

Compliance with domestic and EU standards

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Product Detail

Product Tags

Product Features

Chromium-free, Low surface roughness, High elongation and other characteristics of the copper foil can be customized according to the width of the customer, in line with the strategy of sustainable development.

Application Fields

1.Consumer electronics like smartphones and tablets.

2.Electric vehicles.

3.Energy storage equipment.

4.Electric tools.

5. and applied to future green lithium-ion batteries and other fields.

Technical Data Sheet

Project		Unit	Technical Requiremente
Thickness		um	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	um	≤3.0
Roughness	S side Ra	um	≤0.32
Tensile Strength	25℃	MPa	≥300	≥300	≥300	≥300	≥300
Elongation	25℃	%	≥3	≥5	≥5	≥8	≥10
Wettability		dyn	≥38
Antioxidant Capacity			140℃ 15min No oxidation or discoloration