Lithium Lanthanum Tantalum Zirconate Micron Powder (LLZTO, 1-3 µm, ≥99.5)

Technical Specification:

1. Material Composition:
   • Chemical Formula: Li₇La₃Zr₂O₁₂ (LLZO), doped with Ta for enhanced performance (LLZTO).
   • Purity: ≥99.5% (high-purity grade suitable for advanced applications).
2. Particle Properties:
   • Particle Size: 1–3 µm
     • Optimized for uniform distribution in solid electrolyte composites.
   • Morphology: Irregular to sub-spherical particles for improved packing and ionic conductivity.
   • Density: ~5.2 g/cm³.
3. Crystal Structure:
   • Type: Garnet-like cubic structure, stabilized by tantalum doping.
   • Enhanced structural stability and ionic conductivity compared to undoped LLZO.
4. Ionic Conductivity:
   • Room-Temperature Ionic Conductivity: ~10⁻³ S/cm (depending on processing and densification).
   • Facilitates fast lithium-ion transport for solid-state battery applications.
5. Thermal and Chemical Stability:
   • Thermal Stability: Stable up to ~1200°C, suitable for high-temperature sintering processes.
   • Chemical Stability: Inert to most common solid and liquid electrolytes.
6. Electrochemical Properties:
   • Wide electrochemical stability window (~0–5.5 V vs. Li/Li⁺), making it compatible with high-voltage cathodes.

Applications:

1. Primary Applications:
   • Solid Electrolyte Material:
     • Used as a key component in all-solid-state lithium-ion batteries (ASSLBs).
   • Composite Electrolytes:
     • Incorporated into polymer or ceramic matrices to enhance ionic conductivity and mechanical properties.
2. Industries:
   • Energy Storage:
     • Applied in advanced batteries for electric vehicles (EVs), portable electronics, and renewable energy storage.
   • Research and Development:
     • Widely studied in the development of next-generation battery technologies.
   • Aerospace:
     • Suitable for lightweight and high-performance energy storage systems.
3. Advantages for Applications:
   • High Ionic Conductivity:
     • Supports efficient lithium-ion transport, improving battery charge/discharge rates.
   • Chemical Compatibility:
     • Stable against lithium metal, allowing use as a separator in lithium-metal batteries.
   • Thermal Stability:
     • Suitable for high-temperature sintering and operation.
   • Enhanced Safety:
     • Non-flammable and stable solid-state structure reduces the risk of thermal runaway.
4. Specialized Uses:
   • All-Solid-State Batteries (ASSBs):
     • Integral in developing solid-state batteries with higher energy densities and improved safety compared to conventional lithium-ion batteries.
   • Hybrid Electrolytes:
     • Used in conjunction with liquid electrolytes to enhance performance while maintaining ease of fabrication.
   • High-Voltage Cathode Applications:
     • Compatible with advanced cathode materials operating at voltages >4.5 V.
5. Limitations and Mitigation:
   • Processing Challenges:
     • Requires precise sintering and densification to achieve optimal ionic conductivity.
     • Mitigated through advanced processing techniques like hot-pressing or spark plasma sintering (SPS).
   • Moisture Sensitivity:
     • Hygroscopic in nature; must be handled and stored in a dry environment.

Summary:

Lithium Lanthanum Tantalum Zirconate (LLZTO) is a high-performance solid electrolyte material with exceptional ionic conductivity, chemical stability, and thermal properties. Its garnet-like structure and high purity (≥99.5%) make it a critical component for next-generation all-solid-state batteries. With applications ranging from EVs to aerospace, LLZTO is driving advancements in safer, more efficient, and high-capacity energy storage systems.