Li2 Fe4 F12

semiconductor

· Li2 Fe4 F12

Li₂Fe₄F₁₂ is a lithium iron fluoride compound classified as a semiconductor, belonging to the family of mixed-metal fluorides that have emerged as promising materials for energy storage and ion-conducting applications. This composition is primarily of research interest rather than established commercial production, investigated for its potential in lithium-ion battery cathodes, solid electrolytes, and fluoride-based electrochemical devices where its layered structure and ionic conductivity offer advantages over conventional oxide-based alternatives. Engineers consider this material class for next-generation battery systems seeking improved thermal stability, higher ionic conductivity, and reduced flammability compared to organic electrolytes.

lithium-ion battery cathodessolid-state electrolytesenergy storage researchionic conductorshigh-temperature batterieselectrochemical devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	113.0	GPa	—
Shear Modulus(G)	57.81	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.3771	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.208	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.

Li2 Fe4 F12

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control