Mn4 H2 O8

semiconductor

· Mn4 H2 O8

Mn₄H₂O₈ is a manganese oxyhydroxide compound with semiconductor characteristics, belonging to the family of manganese oxide hydroxides commonly studied for energy storage and catalytic applications. This material is primarily of research interest rather than established industrial production, with potential applications in battery electrode materials, supercapacitors, and electrocatalysis where manganese oxides are valued for their variable oxidation states and cost-effectiveness compared to precious-metal catalysts.

battery electrodessupercapacitor materialswater oxidation catalysisoxygen evolution reactionenergy storage researchelectrochemical devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00560	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.619	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

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.

Mn4 H2 O8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control