K2Ni3S4

metal

· JVASP-11450· K2Ni3S4

K2Ni3S4 is a ternary nickel sulfide compound containing potassium, belonging to the metal sulfide family of materials. This is primarily a research and experimental compound studied for its electrochemical and catalytic properties, particularly in energy storage and conversion applications where sulfide-based materials offer advantages in ion transport and surface reactivity. The material represents an emerging class of transition metal sulfides being investigated as alternatives to oxide-based systems in battery electrodes and electrocatalysis, where its mixed-metal composition can provide tunable electronic properties and enhanced performance over single-phase sulfides.

battery electrodes (experimental)electrocatalysis researchenergy storage systemshydrogen evolution catalystssulfide-based materials developmentelectrochemical applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.433	kg/m³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)	0.7500	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	-326.7	µV/K	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.8119	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.

K2Ni3S4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control