K2Mn3S4

metal

· K2Mn3S4

K₂Mn₃S₄ is an ternary metal sulfide compound combining potassium, manganese, and sulfur, representing a mixed-valent transition metal sulfide chemistry. This is a research-phase material studied primarily in solid-state chemistry and materials science contexts, with potential applications in energy storage, catalysis, and semiconductor research rather than established commercial use. Its notable features stem from the redox activity of manganese and the structural flexibility of the sulfide framework, making it of interest as a candidate material for battery cathodes, electrocatalysts, and other functional compounds where sulfide-based transition metal compounds show promise over conventional oxides.

battery cathode materials (research)electrocatalysissolid-state energy storagetransition metal sulfide researchmaterials chemistry experimentation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.839	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)2 entries	0.000	eV	—
↳	0.2070	eV	—

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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.01460	eV/atom	—
Formation Energy(ΔHf)	-0.8087	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.

K2Mn3S4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control