KO2 (potassium superoxide) is an inorganic ceramic compound belonging to the metal oxide family, notable for its strong oxidizing properties and chemical reactivity. It is primarily used in aerospace and emergency life-support applications, where it serves as an oxygen-generation agent in closed-loop breathing systems and spacecraft environmental control units; its ability to absorb carbon dioxide while releasing oxygen makes it valuable for submarine and submersible atmospherics. Engineers select KO2 over alternative oxygen sources in weight-critical or space-constrained systems where chemical oxygen generation offers advantages over mechanical or stored-gas alternatives, though handling requires careful moisture control due to its hygroscopic nature.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 29.12 | GPa | — | ||
Poisson's Ratio(ν) | 0.3300 | - | — | ||
Shear Modulus(G) | 15.87 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.352 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 2.000 | µB | — | ||
Seebeck Coefficient(S) | -14.29 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.9829 | eV/atom | — | ||
| ↳ | -1.018 | eV/atom | — |