LiFeS — Properties & Data | MatWorld

LiFeS

metal

· JVASP-138945· LiFeS

LiFeS is a lithium iron sulfide compound that belongs to the family of lithium-metal sulfides, materials of significant interest in advanced battery research and electrochemistry. This material is primarily investigated as a cathode or active component in next-generation lithium-ion and lithium-metal battery systems, where its iron-sulfur chemistry offers potential advantages in energy density and cost compared to conventional oxide-based cathodes. LiFeS represents an exploratory material class rather than a mature commercial product, with research focused on understanding its electrochemical performance, structural stability, and integration into high-energy-density battery architectures for electric vehicles and grid energy storage.

battery cathode materialslithium-ion systemsenergy storage researchelectric vehicle powertrainsgrid-scale energy storagehigh-energy-density electrochemistry

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	-330.0	MPa	DFT · OptB88vdW
Shear Modulus(G)	-3.660	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	1.038	kg/m³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions
Band Gap(Eg)	0.07400	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	9.593	-	DFT · OptB88vdW
Magnetic Moment(μB)	3.030	µB	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	3.079	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	2.123	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.

LiFeS

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control