Mg2CoO4

ceramic

· JVASP-46157· Mg2CoO4

Mg₂CoO₄ is a mixed-metal oxide ceramic compound combining magnesium and cobalt in a spinel-related structure. This material is primarily investigated in research contexts for energy storage and catalytic applications, where the combination of transition metal (cobalt) and alkaline earth metal (magnesium) oxides enables electrochemical activity or enhanced surface reactivity. While not yet established in high-volume industrial production, compounds in this family show promise for next-generation battery materials, oxygen evolution catalysts, and magnetic ceramic applications where conventional single-oxide ceramics fall short.

battery electrodes (research phase)electrocatalysis and water splittingoxygen reduction catalystsmagnetic ceramicsfunctional oxide materialsmaterials research and development

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1398	lb/in³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.08600	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	84.88	-	DFT · OptB88vdW
Magnetic Moment(μB)	9.790	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000658	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000451	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	37.49	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	93.90	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1699	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.022	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

Mg2CoO4 — Properties & Data | MatWorld

Mg2CoO4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental