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
PropertyValueUnitConditionsSource
Bulk Modulus(K)
ksi
Poisson's Ratio(ν)
-
Shear Modulus(G)
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Dielectric Constant (Relative Permittivity)(εr)
-
Magnetic Moment(μB)
µB
Piezoelectric Modulus(eij)
C/m²
Seebeck Coefficient(S)
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)
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.
K2NiO2 — Properties & Data | MatWorld