MnHO2 — Properties & Data | MatWorld

MnHO2

ceramic

· MnHO2

MnHO₂ is a manganese oxyhydroxide ceramic compound that belongs to the family of manganese oxides and hydroxides, materials valued for their electrochemical and catalytic properties. While not widely commercialized as a bulk engineering ceramic, compounds in this family are extensively researched and deployed in battery technologies, water treatment systems, and catalytic applications where manganese's variable oxidation states enable electron transfer and oxidation reactions. Engineers select manganese oxyhydroxides over alternatives like pure oxides when cost-effectiveness, catalytic activity, and environmental compatibility are priorities, particularly in energy storage and environmental remediation contexts.

battery electrodes and cathodeswater purification and filtrationcatalytic oxidation processessupercapacitor materialsoxygen reduction catalystsenvironmental remediation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	129.6	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	57.81	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.349	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	7.989	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	3.146	C/m²	DFT · OptB88vdW
↳	0.5075	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE

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)	0.00680	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.476	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.

MnHO2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental