Li2Ti2S5

metal
· JVASP-50845· Li2Ti2S5

Li₂Ti₂S₅ is a lithium-titanium sulfide compound belonging to the family of mixed-metal sulfides, currently of primary interest as a solid-state electrolyte and ion-conductor material rather than a structural metal. This material is primarily investigated in laboratory and early-stage development contexts for solid-state battery applications, where its ionic conductivity and chemical stability make it a candidate for replacing liquid electrolytes in next-generation lithium-ion and lithium-metal cells. Engineers evaluating this compound should recognize it as an emerging functional ceramic/solid electrolyte rather than a conventional load-bearing metal, with potential advantages in energy density, safety, and cycle life compared to conventional liquid electrolyte systems.

solid-state battery electrolyteslithium-ion cell separatorsenergy storage researchhigh-energy-density batteriesexperimental materials development

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
0.09292
lb/in³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
1.184
eV—
Magnetic Moment(μB)
0.000
µB—
Seebeck Coefficient(S)
-385.6
µV/K—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.07880
eV/atom—
Formation Energy(ΔHf)
-1.380
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.
Li2Ti2S5 — Properties & Data | MatWorld