KNi2S2

metal

· JVASP-57834· KNi2S2

KNi₂S₂ is an intermetallic sulfide compound combining potassium, nickel, and sulfur, belonging to the ternary metal chalcogenide family. This material is primarily investigated in research contexts for applications requiring mixed-valence metal behavior and ionic-electronic transport properties, with potential relevance to energy storage systems, catalysis, and solid-state ionic conductors. KNi₂S₂ represents an understudied compound in the broader nickel sulfide family, making it of interest for exploratory work in electrochemistry and materials discovery rather than as an established engineering choice.

research electrodessolid-state ionic conductorselectrocatalysis researchenergy storage explorationthermoelectric test compoundsmixed-valence materials study

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.099	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.03820	eV/atom	—
Formation Energy(ΔHf)	-0.6926	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.

KNi2S2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control