Li2FeF4 — Properties & Data | MatWorld

Li2FeF4

metal

· Li2FeF4

Li2FeF4 is an inorganic lithium iron fluoride compound that belongs to the family of metal fluorides with potential electrochemical applications. This material is primarily investigated in battery research as a solid-state electrolyte or cathode material candidate, where its ionic conductivity and structural stability are of interest for next-generation lithium-ion and solid-state battery systems. Engineers consider this compound for energy storage applications where fluoride-based materials can offer improved thermal stability and cycling performance compared to conventional oxide-based alternatives, though it remains largely in the research and development phase rather than widespread commercial production.

solid-state battery electrolyteslithium-ion battery cathodesenergy storage materialselectrochemical researchionic conductorsadvanced battery systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	6,613.7	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)	3,550.5	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1203	lb/in³	DFT · OptB88vdW

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

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)	0.2770	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	6.000	-	DFT · OptB88vdW
Magnetic Moment(μB)	4.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1723	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.08020	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.607	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.

Li2FeF4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control