Li2Ti2S5 — Properties & Data | MatWorld

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:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.572	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.184	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	10.60	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000890	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00119	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-385.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	370.9	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)	0.07880	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.380	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

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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

Physical Properties

Electrical Properties

Other Properties

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