Li3NbS4

metal
· Li3NbS4

Li3NbS4 is a lithium niobium sulfide compound belonging to the family of lithium-based metal sulfides, typically studied as a solid-state electrolyte material rather than a structural metal. This is a research-phase material currently investigated for energy storage applications, particularly in all-solid-state lithium-ion and lithium-metal batteries, where it offers ionic conductivity combined with electrochemical stability. Engineers consider Li3NbS4 for next-generation battery systems seeking higher energy density and improved thermal stability compared to conventional liquid electrolytes, though commercial deployment remains limited and material synthesis and integration are still being optimized.

all-solid-state batterieslithium-ion electrolytessolid-state energy storagehigh-energy-density cellsthermal-stability applicationsion transport membranes

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
12.10
GPa
Poisson's Ratio(ν)
0.2600
-
Shear Modulus(G)
8.700
GPa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
1.885
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
2.685
eV
Dielectric Constant (Relative Permittivity)(εr)2 entries
4.078
-
3.599
range 3.131–4.067median of 2 measurements
-
Magnetic Moment(μB)
0.000
µB
Piezoelectric Modulus(eij)2 entries
0.00301
C/m²
0.1500
C/m²
Piezoelectric Stress Tensor(eij)
Matrix (redacted)
C/m²
Seebeck Coefficient(S)
-370.3
µV/K
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.07460
eV/atom
Formation Energy(ΔHf)
-1.213
eV/atom
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

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.