Li5FeS4

metal

· JVASP-106930· Li5FeS4

Li5FeS4 is an iron-lithium sulfide compound belonging to the lithium metal sulfide family, relevant to energy storage and solid-state battery research. This material is primarily investigated as a cathode or solid electrolyte component in advanced lithium batteries, where its ionic conductivity and electrochemical stability offer potential advantages over conventional liquid electrolytes and oxide-based solid-state materials. Li5FeS4 represents a promising research direction for next-generation battery systems seeking improved energy density, thermal stability, and safety compared to incumbent technology.

solid-state battery cathodeslithium-ion battery componentssolid electrolyte materialsenergy storage researchelectric vehicle batterieshigh-energy-density applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.216	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	4.110	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1825	eV/atom	—
Formation Energy(ΔHf)	-1.112	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.

Li5FeS4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control