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.
Compliance & Regulations
| 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 | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1745 | lb/in³ | — |
| 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 | — |
| 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 | — |