K2NiO2
ceramic· JVASP-3384· K2NiO2
K2NiO2 is an inorganic ceramic compound containing potassium and nickel oxides, representing a mixed-metal oxide in the broader family of transition-metal ceramics. This material is primarily of research and experimental interest rather than a mature commercial ceramic; it is studied for potential applications in catalysis, electrochemistry, and solid-state ionic systems where nickel-based oxides show promise for enhanced reactivity or ion transport. Engineers would consider this compound when exploring novel catalytic materials, oxygen-ion conductors, or mixed-valence oxide systems where the potassium-nickel interaction offers performance advantages not available in single-component oxides.
catalytic materials (research)solid oxide fuel cells (exploratory)oxygen reduction catalysiselectrochemical devicesmixed-metal oxide synthesisadvanced ceramic coatings (experimental)
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 34.67 | GPa | — | ||
Poisson's Ratio(ν) | 0.2900 | - | — | ||
Shear Modulus(G) | 17.54 | GPa | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.846 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.7230 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 7.391 | - | — | ||
Magnetic Moment(μB) | 2.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -424 | 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) | -1.340 | eV/atom | — |
Verified Unverified Low confidence (<80%) Link to source
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.