Niobium-containing LLZTO Tantalum-niobium Co-doped Lithium Lanthanum Zirconium Oxygen Solid Electrolyte (500nm) Battery Material
Product Overview
Xwell's niobium-tantalum co-doped LLZTO is a high-performance cubic garnet electrolyte (500nm particle size) designed for next-generation solid-state lithium batteries. This white powder material delivers >0.8 mS/cm ionic conductivity at room temperature while maintaining exceptional stability with both cathode and anode materials.
Key Specifications
Property |
Specification |
Chemical Formula |
Li₇₋ₓLa₃Zr₂₋ₓ(Nb,Ta)ₓO₁₂ (x=0.2-0.7) |
Crystal Structure |
Cubic garnet (Ia-3d) |
Particle Size (D50) |
500 nm (±50 nm) |
Purity |
≥99.9% |
Ionic Conductivity |
>0.8 mS/cm (25°C) |
Appearance |
White free-flowing powder |
Packaging |
Glass bottle + vacuum-sealed aluminum bag |
Material Advantages
-
Enhanced Conductivity
- Nb/Ta co-doping stabilizes cubic phase for 3× higher conductivity than undoped LLZO
- Low grain boundary resistance (<10 Ω·cm² after sintering)
-
Electrode Compatibility
- Chemically stable with NCM cathodes (up to 4.3V)
- Minimal reaction with lithium metal anodes
-
Processing Flexibility
- Suitable for dry pressing (300-500 MPa) or tape casting
- Can be re-dispersed via ball milling if agglomerated
Storage & Handling
Attribute |
Specification |
Shelf Life |
12 months (unopened) |
Storage Conditions |
Dry environment (<30% RH) |
Re-sealing |
Required after each use |
Key Notes:
• Always handle in moisture-controlled environments
• Recommended sintering temperature: 900-1100°C
• Compatible with Li₆.₄La₃Zr₁.₄Ta₀.₆O₁₂ formulations
Applications
- All-solid-state lithium batteries (ASSLBs)
- Hybrid solid-liquid electrolyte systems
- Thin-film battery research
Custom doping ratios (x=0.2-0.7) and particle size distributions available upon request.