Lithium Foil

Details and Description Lithium Foil

A thin strip of metallic lithium is referred to as Lithium Foil. The symbol of lithium is  Li, and its atomic number is 3. It is a member of the alkali metal family in the periodic table. It is light, highly reactive, and silvery-white. It is also soft and malleable in its metallic form, capable of being stretched without breaking. Lithium foil is used in energy storage devices and batteries, especially lithium-ion batteries, where it is often the anode material. Its ability to efficiently store and supply electrical energy makes it suitable for energizing contemporary electronic devices.

Because it is reactive with air and water, it must be handled safely. The thin-sheet form of the foil provides a large surface area, improving battery performance. Manufacturers strictly control quality to ensure the foil is clean, flat, and free of oil, dust, wrinkles, and oxidation. Aluminum may be added to strengthen the soft lithium for durability. This high-quality foil produces compact, powerful batteries with no memory effect and stable energy output. Its precise fabrication enables robust, high-performance batteries for a variety of devices.

Applications of Lithium Foil

Lithium foil has a smooth, bright surface. It is free from oil, dust, holes, wrinkles, and visible oxides. Minor roll marks or processing stripes may be present. Pure lithium metal is very soft, so a small amount of aluminum is added to increase its hardness.

It is widely used as an anode material in high-energy lithium primary and secondary batteries. It is also a key material in solid-state and semi-solid lithium-ion batteries. Batteries made with lithium foil are small, powerful, and do not suffer from the memory effect.

Besides batteries, lithium is also used as an alloying metal with aluminum and magnesium. Lithium and its compounds are also used to make glass and ceramics.

Features of Lithium Foil

High energy density: Lithium foil has one of the highest energy densities among batteries. It can store a large amount of energy in a small space, making it ideal for compact, high-performance batteries used in electric vehicles, medical devices, and portable electronics.

Low weight: It has a very low density, making it ideal for applications where weight reduction is essential, such as aerospace or portable electronics.

Soft and malleable: It can be shaped or stretched without breaking, making it useful in various forms and devices.

Good electrochemical performance: Reacts quickly, especially in the presence of moisture. This reactivity is effectively used in battery electrochemical processes for energy storage and release.

Metallic luster: Lithium has a shiny, silvery appearance that adds visual value in some uses.

High Purity: Typically produced with very high purity, it is suitable for advanced batteries and precision applications.

Lithium melts at a low temperature but remains stable under normal conditions. This lets industries control how it is used in production.

How to Use Lithium Foil

• Cut the lithium foil into a small piece measuring 2 cm².
• Use non-sparking, anti-static tools (ceramic or plastic) for cutting or rolling.
• Soak the foil in 2 mL of organic electrolyte for 3 minutes.
• Without drying it, place the soaked foil into a coin cell for battery assembly.
• Inside a glove box, put the coin cell on a pressing platform.
• Slowly screw down the top shaft to apply 20 MPa pressure for 5 minutes. This seals the battery properly.
• After pressing, unscrew and remove the battery cell. It's now ready for performance testing.
• Always reseal unused portions in vacuum-packed or moisture-proof containers.

Safety Guidelines for Lithium Foil

• Reactivity Warning: Reacts violently with water and moisture; generates flammable hydrogen gas.
• Protective Environment: Only handle in dry rooms or inert-atmosphere glove boxes.
• Personal Protective Equipment (PPE): Use safety goggles, flame-resistant gloves, and lab coats.
• Storage: Store in airtight, non-glass containers under mineral oil or argon. Keep away from heat, sparks, and open flames.
• Disposal: Never discard in water or general waste. Follow hazardous waste disposal rules as per local regulations.
• In Case of Fire: Do not use water or CO₂.Use a Class D (metal fire) extinguisher or dry sand.

Why Choose Us

Shilpa Enterprises is a name to rely on for high-quality lithium foils as a producer and supplier. Our company has more than a decade of experience delivering products of the highest quality at competitive prices. Our priority is quality, innovation, and customer satisfaction, which sets us apart in our industry. We regularly upgrade our processes using the latest technology to maintain consistent product performance. With clients from across the globe, we boast long-standing relationships based on trust and support. From industrial to research applications, Shilpa Enterprises is a trusted partner for high-quality lithium solutions at optimal prices.