Li5 Fe1 F8

semiconductor

· Li5 Fe1 F8

Li₅FeF₈ is an experimental lithium iron fluoride compound classified as a semiconductor, belonging to the family of fluoride-based materials under investigation for advanced energy storage and solid-state applications. This material is part of ongoing research into lithium-ion conductors and fluoride cathode materials, where the combination of lithium, iron, and fluoride offers potential advantages in electrochemical stability and ionic conductivity compared to conventional oxide-based alternatives. The compound remains primarily in the research phase, with interest driven by the battery and solid-state energy device communities seeking alternatives to improve energy density, thermal stability, and cycle life in next-generation storage systems.

solid-state batterieslithium-ion cathode materialsenergy storage researchfluoride-based conductorselectrochemical device developmentexperimental energy materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	50.17	GPa	—
Shear Modulus(G)	30.74	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.597	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.823	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.

Li5 Fe1 F8

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control