CoO2
ceramic· CoO2
CoO₂ is a cobalt oxide ceramic compound that exists primarily as a research material rather than an established industrial ceramic. While cobalt oxides are well-known in catalysis and battery applications, CoO₂ specifically is studied for its layered crystal structure and potential in energy storage systems, particularly as a cathode material in lithium-ion and sodium-ion batteries. Engineers consider cobalt oxide ceramics when designing high-capacity battery systems, catalytic converters, or magnetic ceramics where cobalt's oxidation state and electronic properties are critical to performance.
battery cathode materialsenergy storage researchcatalytic applicationslayered oxide compoundselectrochemical devicesmaterials research & development
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 65.94 | GPa | — | ||
| ↳ | 79.16 | GPa | — | ||
Exfoliation Energy(Eexf) | 1.660 | meV/atom | — | ||
Poisson's Ratio(ν) | 0.2500 | - | — | ||
Shear Modulus(G)2 entries | 36.00 | GPa | — | ||
| ↳ | 51.43 | GPa | — |
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 2.271 | kg/m³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 152.9 | - | — | ||
Magnetic Moment(μB) | 0.9380 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1402 | eV/atom | — | ||
Formation Energy(ΔHf) | -0.9267 | 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.