Li4 Fe4 S6

semiconductor

· Li4 Fe4 S6

Li4Fe4S6 is an iron-lithium sulfide compound belonging to the mixed-valence transition metal sulfide family, currently under research for energy storage and solid-state applications. This material is being investigated primarily as a potential cathode material or solid electrolyte component for next-generation lithium-ion and solid-state batteries, where its ionic conductivity and electrochemical stability are of interest. Li4Fe4S6 represents an emerging class of sulfide-based materials that could offer advantages over oxide ceramics in terms of processability and ionic mobility, though commercial deployment remains in early research phases.

solid-state battery cathodeslithium-ion battery componentssolid electrolyte materialsenergy storage researchelectrochemical devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00540	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.6900	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.

Li4 Fe4 S6

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control