Li2FeAsCO7

ceramic

· JVASP-45133· Li2FeAsCO7

Li2FeAsCO7 is an experimental ceramic compound combining lithium, iron, arsenic, and carbonate/oxide phases—a research material not yet established in production engineering. This compound belongs to the family of mixed-metal oxycarbonates and arsenates being investigated for potential energy storage and solid-state ionic applications, though it remains primarily in the academic research phase with limited industrial deployment.

solid-state battery researchlithium-ion conductor studiesexperimental energy storageceramic electrolyte developmentmaterials science researchnext-generation battery chemistry

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1141	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.4920	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	15.96	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.8300	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.7800	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	9.969	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000267	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00146	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-224.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	248.8	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.08000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.600	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.

Li2FeAsCO7 — Properties & Data | MatWorld

Li2FeAsCO7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental