Li4V7O9F7

ceramic

· JVASP-40655· Li4V7O9F7

Li4V7O9F7 is a mixed-valence lithium vanadium fluoride ceramic compound that belongs to the family of lithium-ion conductors and electrochemically active oxyfluorides. This material is primarily investigated in battery research, particularly as a potential cathode or electrolyte component for advanced lithium-ion and solid-state battery systems, where the combination of lithium, vanadium redox activity, and fluoride incorporation offers enhanced ionic conductivity and electrochemical performance compared to conventional oxide ceramics.

lithium-ion battery cathodessolid-state battery electrolytesenergy storage researchhigh-voltage cathode materialsionic conductor applicationsnext-generation battery development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1347	lb/in³	DFT · OptB88vdW

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

Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000367	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000385	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-32.95	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-36.78	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)	0.1430	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.636	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.

Li4V7O9F7 — Properties & Data | MatWorld

Li4V7O9F7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental