Li4TiS4 — Properties & Data | MatWorld

Li4TiS4

metal

· Li4TiS4

Li4TiS4 is a lithium-titanium sulfide compound being investigated as a solid-state electrolyte material for advanced energy storage systems. This sulfide-based ionic conductor belongs to the family of thiophosphate and sulfide electrolytes, which are attracting significant research interest as alternatives to conventional liquid electrolytes due to their potential for higher ionic conductivity and improved chemical stability. Engineers consider this material primarily for next-generation solid-state battery development, where it could enable higher energy density, improved safety, and extended cycle life compared to traditional lithium-ion architectures.

solid-state batteriesall-solid-state electrolytesenergy storage systemsionic conductorsadvanced battery researchhigh-energy-density applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	29.50	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)	15.66	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	1.868	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.359	eV	DFT · OptB88vdW
↳	2.708	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	6.759	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.345	-	DFT · OptB88vdW
↳	4.713	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.05574	C/m²	DFT · OptB88vdW
↳	0.00289	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00110	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00120	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-276.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	395.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	8.690	%	DFT · TBmBJ

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)	0.03920	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.451	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

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.

Li4TiS4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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