Li2FeSiO4 is an olivine-structured ceramic compound composed of lithium, iron, silicon, and oxygen, developed primarily as a cathode material for advanced battery systems. This material is largely in the research and development phase rather than established high-volume production, but is investigated for next-generation lithium-ion batteries where it offers potential advantages in thermal stability, safety, and raw material cost compared to conventional layered oxide cathodes. Engineers consider this compound for applications demanding improved cycle life, reduced reliance on scarce cathode elements, and enhanced thermal robustness in energy storage systems.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 103.9 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2800 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 54.77 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.081 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.00700 | eV | DFT · OptB88vdW | ||
Dielectric Constant (Relative Permittivity)(εr) | 142.5 | - | DFT · OptB88vdW | ||
Magnetic Moment(μB) | 8.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij)2 entries | 0.5087 | C/m² | DFT · OptB88vdW | ||
| ↳ | 0.2373 | C/m² | DFT · PBE | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | DFT · PBE |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.07740 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -2.259 | eV/atom | DFT · OptB88vdW |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data