LPSCI (Li₅.₅PSCl₁.₅) is a high-performance sulfide solid-state electrolyte characterized by its irregular particle morphology (D₅₀<15μm) and exceptional ionic conductivity (≥6 mS/cm at 25°C). The SU8600 SEM image (20.0kX magnification) reveals its distinctive rough-textured particles optimized for all-solid-state battery research.

Key Specifications

Property	Specification	Verification Method
Chemical Formula	Li₅.₅PSCl₁.₅	XRD/EDS Analysis
Ionic Conductivity	≥6 mS/cm (25°C)	AC Impedance (300MPa)
Particle Size	D₅₀<15μm, D₉₀<35μm	Laser Diffraction
Morphology	Irregular rough-surface	SEM Imaging (3.00kV)
Electrochemical Window	0-5V vs. Li⁺/Li	Linear Sweep Voltammetry

Performance Highlights

1. Ultra-High Conductivity
• Achieves 2× higher Li⁺ transport than conventional Li₆PS₅Cl (3 mS/cm)
• Low activation energy (0.20-0.25 eV) enables stable performance at -20°C

2. Interface Engineering
• Rough particle surfaces enhance electrode-electrolyte contact (30% lower interfacial resistance)
• Chlorine substitution suppresses H₂S generation vs. pure sulfide systems

3. Research Applications
• Prototyping of 400+ Wh/kg all-solid-state batteries
• Compatible with:

Li-metal anodes (CCD >2 mA/cm²)
High-voltage NCM811 cathodes (4.3V)

Microstructural Analysis

(Per SU8600 SEM at 20.0kX Magnification)
• Particle Distribution: Broad size range (2-35μm) ensures dense packing
• Surface Texture: Nano-scale roughness promotes electrolyte wetting
• Defect Characteristics: Minimal cracks/voids (<1% area fraction)

Handling Protocol

Step	Requirement
Storage	Argon glovebox (<0.1ppm O₂/H₂O)
Processing	Cold-press at 300-400 MPa
Safety	H₂S detectors mandatory

Note: Custom particle size fractions (e.g., <10μm) available for thin-film battery research.

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