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High-Purity Lithium

Lithium stands apart as the lightest solid element in the periodic table, with a density merely 0.534 g/cm³ — roughly half that of water. This extraordinary lightness, paired with the lowest electrochemical potential of any metal (-3.04 V vs SHE) and an exceptional specific capacity (3860 mAh/g), makes metallic lithium the ultimate anode material for next-generation energy storage systems. At Eata Energy, we supply high-purity lithium metal meticulously characterized for researchers and industrial users pushing the boundaries of battery technology, materials science, and advanced synthesis.

Our lithium products span purity grades from 99.9% (3N) to 99.99% (4N) and beyond, available in diverse physical forms to match your exact experimental or process requirements. Every unit ships under inert atmosphere packaging with a comprehensive Certificate of Analysis, ensuring reproducibility from the moment you unbox.

Fundamental Properties of Lithium Metal

Understanding lithium's intrinsic characteristics is essential for designing safe, reproducible experiments and processes. The table below summarizes the key physical and chemical properties relevant to research and industrial applications.

Property Value Notes
Atomic Number 3 Lightest metal element
Molecular Weight 6.94 g/mol Lowest atomic weight of all metals
Density 0.534 g/cm³ ~50% lighter than water
Melting Point 180.5°C Relatively low, aids processing
Boiling Point 1342°C
Electrochemical Potential -3.04 V vs SHE Lowest of all metals
Specific Capacity 3860 mAh/g Highest theoretical capacity for anodes
CAS Number 7439-93-2 EINECS: 231-102-5
UN Classification UN 1415 Class 4.3 (water-reactive)
Natural Isotopes ⁷Li (92.6%), ⁶Li (7.4%) ⁶Li: high neutron capture cross-section

Naturally occurring lithium comprises two stable isotopes: ⁷Li (92.6% abundance) and ⁶Li (7.4% abundance). The ⁶Li isotope holds particular significance in nuclear research due to its high thermal neutron capture cross-section, while ⁷Li dominates battery-oriented applications. Enriched isotope grades are available on request for specialized research programs.

Available Forms & Specifications

Different research protocols and manufacturing processes demand lithium in specific geometries and surface conditions. We maintain inventory across the full spectrum of standard and specialty configurations.

Spooled lithium metal foil exhibiting silver-white metallic luster under inert atmosphere protectionFigure 1: Ultra-thin lithium metal foil rolls prepared under inert atmosphere for battery assembly

Lithium Foil

Our lithium foil represents the most widely requested format for battery research. Rolled to precise thickness tolerances under argon atmosphere, these foils provide consistent anode material for coin cell, pouch cell, and custom electrochemical cell assembly.

  • Thickness range: 0.015 mm to 2 mm (custom thinner gauges available)
  • Width: up to 300 mm depending on thickness
  • Surface finish: mirror-polished or matte, per application needs
  • Typical purity: 99.9% to 99.99% (3N to 4N) trace metals basis
  • Packaging: argon-filled aluminum laminate pouch, vacuum-sealed

Lithium Ribbon & Wire

Ribbon and wire configurations serve organic synthesis, deposition experiments, and specialized battery geometries where foil is impractical. Drawn to uniform cross-section with minimal surface oxide.

  • Ribbon width: 2 mm to 25 mm; thickness: 0.1 mm to 1 mm
  • Wire diameter: 0.5 mm to 6 mm, continuous or cut-to-length
  • Ideal for: reductive lithiation reactions, evaporation sources, thermal battery fabrication

Lithium Ingot & Rod

Cast ingots and extruded rods provide feedstock for in-house rolling, machining, or alloying operations. Supplied with as-cast or machined surfaces, packed under mineral oil or inert gas.

  • Ingot dimensions: cylindrical (100φ x 240 mm, 160φ x 240 mm) or rectangular blocks
  • Rod diameter: 10 mm to 50 mm, cut to specified length
  • Primary use: alloy melting stock, custom shape fabrication, large-scale battery prototyping

Shiny lithium metal pieces submerged in mineral oil inside a sealed laboratory containerFigure 2: Lithium metal chunks stored under protective mineral oil in a laboratory glass container

Lithium Powder & Dispersions

For applications demanding high surface area or uniform distribution, we supply lithium powder and stable dispersions. These formats accelerate reaction kinetics and simplify material handling in continuous processes.

  • Powder particle size: 50–200 μm (custom sizing available)
  • Dispersions: 25–30 wt% in mineral oil or compatible hydrocarbon media
  • Applications: metallurgical doping, catalyst preparation, slurry-based electrode formulations

Key Application Areas

Solid-State & Next-Generation Battery Research

The global race toward solid-state batteries hinges on metallic lithium as the definitive anode material. With a theoretical specific capacity ten times that of conventional graphite, lithium metal anodes promise energy densities exceeding 500 Wh/kg when paired with advanced solid electrolytes. Our high-purity lithium foils and alloy-grade materials support R&D programs targeting lithium-sulfur, lithium-air, and ceramic-electrolyte solid-state architectures. Researchers benefit from our tight thickness control and low surface roughness, both critical for achieving uniform lithium plating and stripping across cycle life testing.

Close-up of multilayer solid-state battery architecture showing electrode and electrolyte layersFigure 3: Layered solid-state battery cell architecture with metallic lithium anode

Aluminum-Lithium Alloy Development

Adding lithium to aluminum yields alloys with remarkable reductions in density (up to 8% lighter than conventional aluminum) while simultaneously increasing elastic modulus and fatigue resistance. These properties position Al-Li alloys as essential materials for aerospace structural components, satellite frameworks, and lightweight transportation systems. We supply lithium ingot and master alloy compositions optimized for induction melting and direct chill casting processes.

Organic Synthesis & Pharmaceutical Intermediates

Lithium's potent reducing capability makes it indispensable in organolithium chemistry — from butyllithium production to stereoselective reductions of hindered ketones and reductive cleavage of polar bonds. High-purity lithium with controlled surface morphology delivers predictable reaction kinetics and consistent yields in multi-step synthesis workflows.

Thermal Batteries & Primary Cells

Non-rechargeable thermal batteries utilizing lithium anodes and molten salt electrolytes remain the power source of choice for military ordnance, aerospace emergency systems, and downhole drilling tools. Our lithium materials meet the rigorous purity and dimensional tolerances demanded by these mission-critical applications.

Assorted lithium battery components and coin cell parts on a graphite laboratory work surfaceFigure 4: Electrochemical cell components and lithium metal anodes arranged for battery assembly

Quality Verification & Analytical Documentation

Traceability and characterization define our approach to lithium metal supply. Each production lot undergoes multi-technique analysis before release, with results documented in a comprehensive Certificate of Analysis shipped with every order.

  • ICP-MS (Inductively Coupled Plasma Mass Spectrometry): quantitative trace element analysis down to ppb levels
  • GDMS (Glow Discharge Mass Spectrometry): bulk impurity profiling for ultra-high-purity grades
  • XRF (X-Ray Fluorescence): rapid screening of metallic contamination
  • Titration / Acidimetry: accurate assay determination of lithium content
  • Dimensional inspection: laser micrometer verification of foil thickness and width tolerances

Standard documentation includes material safety data sheet (SDS), handling guidelines under inert atmosphere, and UN 1415 (Class 4.3) transport classification for compliant logistics worldwide.

Tailored Specifications & Custom Solutions

Eata Energy recognizes that breakthrough research rarely conforms to catalog standards. Our engineering team collaborates directly with clients to define, source, and validate bespoke lithium configurations that standard offerings cannot address.

  • Custom alloy development: Li-Mg, Li-Al, Li-Si, Li-Ag and other binary or ternary compositions
  • Non-standard geometries: machined anode discs, tapered rods, laminated multi-layer foils
  • Surface engineering: controlled oxide layer thickness, electrochemical preconditioning, protective coatings
  • Enhanced packaging: hermetically sealed ampoules, custom glovebox transfer vessels, moisture-indicator pouches
  • Scale flexibility: gram-scale R&D samples through kilogram-scale pilot batches

Machined aluminum-lithium alloy aerospace bracket with complex geometric cutouts and smooth finishFigure 5: Precision-machined aluminum-lithium alloy structural component for aerospace applications

Engage our materials scientists during your project scoping phase to optimize lithium selection for your specific electrochemical system, alloy target, or synthesis protocol.

For Research or Industrial Raw Materials, Not For Personal Medical Use!

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