Niobium Containing Solid Electrolyte LLZTO Tantalum Niobium Co Doped Lithium Lanthanum Zirconium Oxygen 300nm

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​​Model:LLZTO300nm
 ​​​​Chemical Formula​:Li₇₋ₓLa₃Zr₂₋ₓ(Nb,Ta)ₓO₁₂ (x=0.2-0.7)
 ​​Crystal Structure​:Cubic garnet (Ia-3d) ​​Particle Size (D50)​​​​:300 nm (±50 nm)
 ​​Purity​​:≥99.9%
 ​​Ionic Conductivity​:0.8-3 mS/cm (25°C)
 ​​Applications​​:All-solid-state lithium batteries (ASSLBs)
 MOQ: 10g
 Leading time: 5-7 working days

SKU: LLZTO300nm Category:

Niobium-containing LLZTO Tantalum-niobium Co-doped Lithium Lanthanum Zirconium Oxygen Solid Electrolyte (300nm) Battery Material

Product Overview​​

Xwell’s niobium-tantalum co-doped LLZTO (300nm particle size) is a high-performance cubic garnet electrolyte for solid-state lithium batteries. This white powder material delivers 0.8-3 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)​​ 300 nm (±50 nm)
​​Purity​​ ≥99.9%
​​Ionic Conductivity​​ 0.8-3 mS/cm (25°C)
​​Appearance​​ White free-flowing powder

Material Advantages​​

  1. ​​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)
  2. ​​Electrode Compatibility​​
    • Stable with NCM811 cathodes (up to 4.3V)
    • Minimal reaction with lithium metal anodes
  3. ​​Processing Flexibility​​
    • Suitable for:
      • Dry pressing (300-500 MPa)
      • Tape casting (slurry formulation available)
      • Sintering (900-1100°C)

Packaging & Storage​​

​​Attribute​​ ​​Specification​​
​​Packaging​​ Glass bottle + vacuum-sealed aluminum bag
​​Shelf Life​​ 12 months (unopened)
​​Storage Conditions​​ Dry environment (<30% RH)

​​Handling Note:​​
• Always reseal after use to prevent moisture absorption
• Recommended sintering aid: 0.5-1wt% Li₃BO₃

Applications​​

  • All-solid-state lithium batteries (ASSLBs)
  • Hybrid solid-liquid electrolyte systems
  • Thin-film solid-state battery research

Note: Custom doping ratios (x=0.2-0.7) and particle size distributions available upon request.