Lithium Ribbon Solid State Battery Foil Anode Material - 3860 mAh/g Capacity, ≤20 μm Thickness
High-purity lithium foil anode material for solid-state batteries with 3860 mAh/g theoretical capacity and ≤20 μm thickness. Enables 500+ Wh/kg energy density with advanced manufacturing compatibility for EV, eVTOL, and medical applications. Features 99.9% purity and engineered interfaces for superior performance.
Place of Origin
CHINA
Nickel (Ni)
≤0.003%
Packaging Details
Plastic package
Model Number
1200
Potassium (K)
≤0.005%
Supply Ability
1 t/month
Product Description
Lithium metal foil (Li foil) serves as a critical anode material for next-generation solid-state batteries, delivering ultra-high theoretical capacity (3,860 mAh/g) and the lowest electrochemical potential (-3.04 V vs. SHE). With customizable thicknesses down to ≤20 μm, this material enables energy densities exceeding 500 Wh/kg while addressing key challenges like dendrite suppression and interfacial stability in solid-state systems.
Technical Specifications
| Item No. | Parameter | Specification Limit |
|---|---|---|
| 1 | Lithium Purity (% Li) | ≥99.9% |
| Impurities (max %) | ||
| 2 | Potassium (K) | ≤0.005 |
| 3 | Sodium (Na) | ≤0.020 |
| 4 | Calcium (Ca) | ≤0.020 |
| 5 | Iron (Fe) | ≤0.005 |
| 6 | Silicon (Si) | ≤0.008 |
| 7 | Aluminum (Al) | ≤0.005 |
| 8 | Nickel (Ni) | ≤0.003 |
| 9 | Copper (Cu) | ≤0.004 |
| 10 | Magnesium (Mg) | ≤0.010 |
| 11 | Chlorine (Cl) | ≤0.006 |
| 12 | Nitrogen (N) | ≤0.020 |
| 13 | Lead (Pb) | ≤0.003 |
Material Advantages
Energy Density Enhancement
- Replaces graphite anodes, increasing capacity by 10× (3,860 vs. 372 mAh/g)
- Enables 1,000+ Wh/L cell-level energy density in solid-state configurations
Solid-State Compatibility
- Engineered interfaces with sulfide/oxide electrolytes (e.g., Li₆PS₅Cl, LLZO)
- Low volume change (<5%) compared to silicon anodes (>300%)
Advanced Manufacturing Capabilities
- Roll-to-roll (R2R) production at 30 m/min (e.g., ULVAC's EWK-030 system)
- Thermal evaporation for <17 μm foils with ±1 μm tolerance
Applications
- Solid-State Batteries: EV powertrains, eVTOL aircraft, medical devices
- Hybrid Designs: Lithium metal pre-plated on Cu/Si anodes
- Research & Development: Prototyping high-energy-density cells
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