Li6 Fe2 S6

semiconductor

· Li6 Fe2 S6

Li₆Fe₂S₆ is an experimental lithium iron sulfide compound belonging to the family of metal sulfide semiconductors, developed primarily for energy storage and solid-state battery research. This material is not yet widely commercialized but is investigated as a potential solid electrolyte or cathode material for next-generation lithium batteries, where its mixed-valence iron chemistry and sulfide framework offer the possibility of improved ionic conductivity and electrochemical stability compared to oxide-based alternatives. Engineers considering this material should treat it as a research-stage compound; its viability depends on further development of scalable synthesis methods and validation of performance in practical battery cell configurations.

solid-state battery electrolyteslithium-ion battery cathodesenergy storage researchsuperionic conductorssulfide-based semiconductorsnext-generation battery materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00330	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.9940	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.

Li6 Fe2 S6

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control