Li4 Fe2 Si1 O7

semiconductor

· Li4 Fe2 Si1 O7

Li₄Fe₂Si₁O₇ is a lithium iron silicate compound belonging to the ceramic oxide family, functioning as a semiconductor material with potential applications in energy storage and electrochemical devices. This is primarily a research-phase compound studied for its ionic conductivity and electrochemical properties within the broader class of lithium-containing silicate ceramics. Interest in this material stems from its potential role in solid-state battery systems and as an active or electrolyte component where lithium mobility and chemical stability are critical, though it remains less established in commercial applications compared to conventional lithium-based battery materials.

solid-state battery electrolyteslithium-ion conductor researchceramic battery materialsenergy storage systemselectrochemical device development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	23,352.7	ksi	—
Shear Modulus(G)	16,341	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.6281	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.048	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 Fe2 Si1 O7

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control