Li2Fe2SiO6

ceramic
· Li2Fe2SiO6

Li2Fe2SiO6 is an iron-lithium silicate ceramic compound of interest primarily in battery and energy storage research. This material belongs to the family of lithium-containing ceramics and is being investigated as a potential cathode or electrolyte component for next-generation lithium-ion batteries, where its combined iron and lithium content offers potential advantages in ionic conductivity, thermal stability, or energy density. While not yet widely deployed in commercial applications, this compound represents part of the broader research effort to develop alternative lithium-based ceramics that could improve battery performance, cycle life, or cost compared to conventional cathode materials.

lithium-ion battery cathodessolid-state electrolytesenergy storage researchthermal barrier coatings (exploratory)ceramic composites for high-temperature applications

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Density(ρ)
0.09707
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.3290
eV
Magnetic Moment(μB)
9.948
µB
Piezoelectric Modulus(eij)2 entries
0.1287
C/m²
1.319
C/m²
Piezoelectric Stress Tensor(eij)
Matrix (redacted)
C/m²
Seebeck Coefficient(S)
-214.8
µV/K
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.1786
eV/atom
Formation Energy(ΔHf)
-1.960
eV/atom
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

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.
Li2Fe2SiO6 — Properties & Data | MatWorld