Li2FeSiO4 — Properties & Data | MatWorld

Li2FeSiO4

ceramic

· Li2FeSiO4

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.

lithium-ion battery cathodesenergy storage systemselectric vehicle batteriesstationary power storagethermal-stable battery applicationsresearch-phase materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	15,063.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)	7,943.7	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1113	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
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

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, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.07740	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.259	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

Li2FeSiO4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental