Li4 Fe1 Si2 O7

semiconductor

· Li4 Fe1 Si2 O7

Li₄Fe₁Si₂O₇ is an experimental lithium iron silicate ceramic compound that belongs to the family of lithium-based inorganic semiconductors with potential electrochemical applications. This material is primarily of research interest for energy storage and solid-state battery systems, where lithium silicate phases are explored as solid electrolytes or electrode materials to replace conventional organic electrolytes. The iron-substituted silicate structure offers the potential for improved ionic conductivity and thermal stability compared to pure lithium silicates, making it a candidate material for next-generation solid-state battery technologies and high-temperature electrochemical devices.

solid-state battery electrolyteslithium-ion conductor researchhigh-temperature electrochemical devicesenergy storage systemsceramic electrode materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.01740	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.448	eV/atom	—

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

Regulatory Screening

Environmental

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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 Fe1 Si2 O7

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control