Packing: 1-5um 10g/bottle.
Li7P3S11 sulfide solid electrolyte powder.
Main Parameters:
| Product name | Lithium thiophosphate powder | |
| Product specifications | Main body is LinPsSu1 glass ceramic powder | |
| Theoretical density | 1.98g/cm³ | |
| Chemical formula | 70Li2S·29P2S5·1P2Os | |
| Shelf life | 1 year | |
| Test items | Qualification standard | test method |
| Appearance (powder) | Gray-light brown, uniform, no foreign matter | / |
| Appearance (cold pressing) | Gray-light brown | / |
| Appearance (glass ceramic) | Gray-light brown | / |
| SEM morphology | Particle size ranges from 0.5μm to 10μm | Hitachi S3400N |
| Main crystal phase | Li>P3S11 | Bruker D8 Advancc |
| Ionic conductivity (cold pressing) | ~1.6mS/cm@27℃ | Metronomic Autolab ECI10 |
| Ionic conductivity (cold pressing + heat treatment) | >2.0mS/cm@27℃ | Metronomic Autolab ECI10 |
| Electronic conductivity | <1×10-8S/cm@27℃ | Metronomic Autolab AUT87627 |
| Conductivity activation energy (cold pressing + heat treatment) | 0.33 eV(-5~100℃) | Solartron 1470E+1455A |
| Stability to lithium | The Li/Li7P3S11/Li symmetric battery cycled for 350 hours at a current density of 0.2 mA cm-2 without short circuiting | |
| High temperature stability | After heat treatment at 250℃ for 10 hours, the ionic conductivity remained at 1-2 mS/cm | |
| Stability in organic solvents | Stable to inert solvents such as toluene and n-heptane | |
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