NiF2

Name: NiF2
Brand: MatWorld

metal

· NiF2

Nickel difluoride (NiF₂) is an inorganic ceramic compound combining nickel and fluorine, belonging to the transition metal fluoride family. It is primarily investigated as a cathode material in lithium-ion and fluoride-based batteries, where its high electrochemical potential and ionic conductivity offer advantages for energy storage systems. This material is also of interest in fluoride-ion battery research and specialized optical applications, representing a frontier material rather than a commodity product; engineers would consider it for next-generation energy storage projects where conventional lithium-ion performance approaches its limits.

battery cathode materialsfluoride-ion batteriesenergy storage researchelectrochemical cellsoptical coatings (specialized)high-energy-density applications

Compliance & Regulations

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

Units:

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	15,652.1	ksi	DFT
↳	13,878.7	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3000	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	6,566.2	ksi	DFT
↳	7,021.3	ksi	DFT · OptB88vdW

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
Density(ρ)	0.1745	lb/in³	DFT · OptB88vdW

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

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.4740	eV	DFT · OptB88vdW
↳	0.5690	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	5.200	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.607	-	DFT · OptB88vdW
↳	3.455	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Magnetic Moment(μB)	4.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	18.25	%	DFT · TBmBJ

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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-1.775	eV/atom	DFT · OptB88vdW
↳	-2.272	eV/atom	Measured

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

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

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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.

NiF2 — Properties & Data | MatWorld

NiF2

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