Li2FeSiCO7 — Properties & Data | MatWorld

Li2FeSiCO7

ceramic

· JVASP-44453· Li2FeSiCO7

Li2FeSiCO7 is an experimental lithium iron silicate carbonate ceramic compound currently under research investigation for energy storage applications. This material belongs to the family of lithium-containing ceramics that are being explored as potential cathode or electrolyte materials for next-generation lithium-ion and solid-state battery systems. The combination of lithium, iron, and silicate components makes it a candidate for improving energy density, thermal stability, or ionic conductivity in battery chemistries, though it remains a laboratory-stage compound rather than a commercial engineering material.

battery cathode materialssolid-state electrolyteslithium-ion energy storageadvanced ceramics researchthermal battery systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.763	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.3450	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	26.47	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.08333	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.08333	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	7.870	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000267	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000114	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-222.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	114	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	0.1316	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.963	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

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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.

Li2FeSiCO7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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