K₂O₂ (potassium peroxide) is an inorganic ceramic compound belonging to the peroxide family of materials. It is primarily encountered in research and specialized industrial contexts rather than mainstream engineering applications, where it functions as an oxidizing agent, oxygen source, or reactive intermediate in chemical processing. K₂O₂ is notable for its strong oxidizing properties and potential use in closed-loop life support systems, oxygen generation, and advanced catalytic applications, though handling challenges and reactivity with moisture limit its adoption compared to more stable ceramic alternatives.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 31.89 | GPa | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.1880 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | — | ||
Poisson's Ratio(ν) | 0.2900 | - | — | ||
Shear Modulus(G) | 15.58 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Dielectric Constant (Relative Permittivity)(εr)2 entries | 6.310 | - | — | ||
| ↳ | 4.387 range 2.625–6.149median of 2 measurements | - | — | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | — | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | -1.285 | eV/atom | — |