Li7Sb2S2 — Properties & Data | MatWorld

Li7Sb2S2

ceramic

· JVASP-46780· Li7Sb2S2

Li7Sb2S2 is a lithium-based sulfide ceramic compound belonging to the solid electrolyte family, specifically developed for electrochemical energy storage applications. This material is primarily of research and development interest rather than established commercial production, being investigated as a potential solid-state electrolyte component for next-generation lithium batteries where it offers ionic conductivity advantages over liquid electrolytes and improved thermal stability.

solid-state battery electrolyteslithium-ion battery developmentall-solid-state energy storagehigh-temperature electrochemical devicesmaterials research and prototyping

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.09877	lb/in³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.6220	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	8.517	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.7933	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.7267	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00171	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00143	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-270.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	180.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1261	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.9754	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Li7Sb2S2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental