Na2Mn2Se3

metal

· JVASP-59041· Na2Mn2Se3

Na2Mn2Se3 is an inorganic compound combining sodium, manganese, and selenium—a material class of mixed-metal chalcogenides that is primarily investigated in research rather than established in widespread industrial production. This compound belongs to the family of layered metal selenides and is of particular interest for its potential in energy storage applications, particularly in battery chemistries and thermoelectric devices, where selenium-based materials offer tunable electronic properties. Engineers and materials researchers evaluate such compounds for next-generation battery cathodes, solid-state electrolytes, and thermal-to-electric conversion systems, where the combination of relatively light sodium and transition metals like manganese can enable cost-effective alternatives to rare-earth or purely noble-metal based systems.

battery cathode materials (research phase)energy storage systemsthermoelectric devicessolid-state electrolyte developmentsodium-ion battery chemistrysemiconductor research applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1363	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.3480	eV	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00000417	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000607	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-53.95	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	191.6	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)	0.01930	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6874	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

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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.

Na2Mn2Se3 — Properties & Data | MatWorld

Na2Mn2Se3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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