Li4FeSi2O7
ceramic· JVASP-47654· Li4FeSi2O7
Li4FeSi2O7 is a lithium iron silicate ceramic compound that belongs to the family of lithium-containing oxide ceramics under active research for energy storage and electrochemical applications. This material is primarily investigated as a potential solid-state electrolyte or cathode component in lithium-ion battery systems, where its mixed ionic-electronic properties and structural stability are of interest for next-generation battery architectures. Engineers consider this compound in advanced battery research contexts where traditional liquid electrolytes present thermal, safety, or energy density limitations, though it remains largely in the development phase rather than established commercial production.
solid-state battery electrolyteslithium-ion battery developmentenergy storage researchhigh-temperature electrochemistryceramic electrolyte materials
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.918 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.1180 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 7.426 | - | — | ||
Magnetic Moment(μB) | 8.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.3877 | C/m² | — | ||
Seebeck Coefficient(S) | 67.35 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.04470 | eV/atom | — | ||
Formation Energy(ΔHf) | -2.453 | 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.