NiF2
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
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 15,652.1 | ksi | — | ||
| ↳ | 13,878.7 | ksi | — | ||
Poisson's Ratio(ν) | 0.3000 | - | — | ||
Shear Modulus(G)2 entries | 6,566.2 | ksi | — | ||
| ↳ | 7,021.3 | ksi | — |
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.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1745 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.4740 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 5.200 | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — | ||
Magnetic Moment(μB) | 4.000 | µB | — | ||
Seebeck Coefficient(S) | -39.40 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -2.272 | eV/atom | — | ||
| ↳ | -1.775 | eV/atom | — |
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.
Verified Unverified Low confidence (<80%) Link to source
Regulatory Screening
Environmental
Export Control
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.