LLZTO Solid-State Electrolyte Production Line
01. Ingredients Section
02. Mixed zone
03. Ball milling area
04. Drying area
02. Mixed zone
03. Ball milling area
04. Drying area
05. Sintering zone
06. Airflow crushing zone
07. Static pressure zone
08. Casting area and packaging area
06. Airflow crushing zone
07. Static pressure zone
08. Casting area and packaging area
Solution Overview
LLZTO is a typical garnet type oxide solid electrolyte material with high room temperature lithium ion conductivity, excellent stability to lithium metal, and a wide electrochemical window. It is one of the core electrolyte materials suitable for lithium metal negative electrodes in solid-state batteries. The core goal of its production line is to prepare LLZTO powder or ceramic sheets with high purity, high crystallinity, complete garnet phase structure, and ion conductivity standards, providing key electrolyte support for high-energy density solid-state batteries.
-
10 ⁻⁴~10 ⁻³
S/cm
Ionic conductivity: -
100-160
Mpa
Mechanical strength: -
4.8-5.2
g/cm³
Density:
Parameters
| Parameter Name | Typical values/requirements | Test Method |
|---|---|---|
| Specific Surface Area | Typical values/requirements | BET Nitrogen Adsorption Method (GB/T 19587) |
| Density | 4.8-5.2 g/cm³ | Archimedes Water Displacement Method (GB/T 5163) |
| Particle Size Distribution (D50) | 0.5-5 μm | Laser Particle Size Analyzer (ISO 13320) |
| Ionic Conductivity | 10⁴-10³ S/cm | AC Impedance Spectroscopy |
| Activation Energy | 0.3-0.35 eV | Variable-Temperature Impedance Test |
| Electronic Conductivity | <10⁹ S/cm | DC Polarization Method |
| Thermal Decomposition Temperature | >1000℃ | TG-DSC |
| Hardness | 8-10 GPa | Nanoindenter |
| Doping Amount (Ta) | 0.2-0.6 mol% | ICP-OES Elemental Analysis (GB/T 20975) |
| Impurity Phases | No La₂Zr₂O₇, Li₂CO₃ (≤1 wt%) | XRD Rietveld Refinement |
| Lithium (Li) Content | Li₆.₄La₃Zr₁.₄Ta₀.₆O₁₂ | Atomic Absorption Spectroscopy |
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