Battery aluminum foil is a key material specifically designed for lithium-ion batteries, sodium-ion batteries, and other advanced energy storage systems. It is mainly used as a cathode current collector, responsible for collecting and conducting electrical current while providing structural support for cathode active materials.

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Description

Features

• Excellent surface flatness and cleanliness, ensuring uniform cathode coating.
• Good mechanical properties, high tensile strength and bending resistance.
• Strong adhesion to cathode active materials.
• Excellent corrosion resistance, suitable for long-term electrolyte environments.

Technical Specifications

Item	Specification
Alloy	1235 / 1060 / 1070 / 3003
Temper	O / H18
Thickness Range	6 – 20 μm (commonly 8 / 10 / 12 / 15 μm)
Surface Treatment	Double-side roughening / carbon coating (optional)
Surface Cleanliness	Low oil residue, low impurity content
Electrical Conductivity	≥ 61% IACS

Main Application Types

Power Batteries

• Applications: Electric vehicles (EV), energy storage systems (ESS)
• Requirements: High electrical conductivity, high strength, and excellent ductility

Consumer Electronics Batteries

• Applications: Mobile phones, laptops, tablets, wearable devices
• Requirements: Ultra-thin thickness, high consistency, and superior surface cleanliness

Energy Storage & Sodium-Ion Batteries

• Applications: Grid energy storage, backup power systems
• Requirements: High stability and long cycle life

Yutwin New Materials

Yutwin New Materials is committed to providing high-quality aluminum foil solutions to the global market, combining durability, safety, and cost-effectiveness. Our product range covers everything from standard household aluminum foil to industrial jumbo rolls and specialty aluminum foils. In addition to standard specifications, we also offer customized solutions based on customers’ technical requirements, including tailored thickness, width, surface treatment, and packaging options.

Why Choose Us – Professional Manufacturer

• Our production facilities include a smelter, hot rolling mill, cold rolling mill, and annealing workshop, ensuring consistent and reliable quality at every stage.

• We produce aluminum coils, strips, and sheets in various specifications to meet diverse technical and dimensional requirements, flexibly catering to the needs of different industries.

• In addition, we offer comprehensive reprocessing technologies to improve product surface performance. We provide customized solutions for applications such as packaging, construction, transportation, and industrial manufacturing.

A complete quality supervision system is established across the entire production process. A digital platform enables real-time monitoring and full data traceability, from raw material inspection to finished product delivery. Systematic testing is carried out on physical properties, chemical properties, and optical properties, ensuring consistent performance in strength, stability, composition accuracy, and surface quality, and providing reliable quality assurance.

• To ensure products arrive undamaged, we offer customized packaging solutions based on product type and customer needs. Products are securely packaged using protective film, waterproof packaging, and reinforced pallets, meeting international shipping standards.