Packing: 10g/bottle.
LGPS Sulfide Solid Electrolyte (Reagent Grade).
Material Name: Lithium Germanium Phosphorus Sulfur Powder.
Overview: Mainly used for solid-state lithium-ion batteries.
Main Parameters:
| Theoretical Density | 2.036 g/cm³ | |
| Chemical Formula | Li₁₀GeP₂S₁₂ | |
| Shelf Life | 1 year | |
| Test Item | Acceptance Criteria | Test Method / Instrument |
| Appearance (Powder) | Off-white, uniform, no foreign impurities | / |
| Appearance (Cold Press Forming) | Off-white, uniform, no foreign impurities | / |
| Appearance (Heat Treatment Ceramization) | Dark grey | / |
| SEM Morphology | Particle size distribution: 5μm ~ 10μm | Hitachi S4800 |
| Main Crystal Phase | Li₁₀GeP₂S₁₂, (Reference: Single-crystal X-ray structure analysis of the superionic conductor Li₁₀GeP₂S₁₂, Physical Chemistry Chemical Physics, 2013,15, 28, 11620-11622) | Bruker D8 Advance |
| Secondary Crystal Phase | Li₃.₂₅Ge₀.₂₅P₀.₇₅S₄ , (Reference: Lithium ionic conductor thio-LISICON – The Li₂S-GeS₂-P₂S₅ system. Journal of the Electrochemical Society 2001, 148 (7), A742-A746.) | |
| Ionic Conductivity (Cold Press + Heat Treatment) | 8.9 mS/cm, @25°C&180MPa | Metrohm Autolab ECI10 |
| Electronic Conductivity (Cold Press + Heat Treatment) | <2×10⁻⁸ S/cm, @27°C&180MPa | Metrohm Autolab AUT87627 |
| Conductivity Activation Energy (Cold Press + Heat Treatment) | 0.230 eV (−5~100 °C) | Solartron 1470E+1455A |
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