FeNi2S4

metal

· JVASP-53367· FeNi2S4

FeNi₂S₄ is an iron-nickel sulfide compound belonging to the thiospinel family of metal sulfides. This material is primarily of research interest rather than established industrial production, investigated for its potential in electrochemical energy storage and catalytic applications where mixed-metal sulfides offer tunable electronic properties and enhanced activity compared to single-metal alternatives. The layered sulfide structure and mixed-valence transition metals make it attractive for battery electrode materials, supercapacitors, and heterogeneous catalysts, though practical engineering applications remain largely in the development phase.

battery electrode materialssupercapacitor componentselectrocatalysis researchenergy storage devicessulfide compound research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.781	kg/m³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	1.810	µB	—
Seebeck Coefficient(S)	-16.60	µV/K	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.01000	eV/atom	—
Formation Energy(ΔHf)	-0.5126	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.

FeNi2S4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control