FeCo2S4

metal

· JVASP-155261· FeCo2S4

FeCo2S4 is an iron-cobalt sulfide compound belonging to the thiospinel family of metal sulfides, characterized by a mixed-valence transition metal structure. This material is primarily investigated in research contexts for energy storage and catalytic applications, particularly as an electrode material in batteries and supercapacitors, and as a catalyst for electrochemical water splitting and hydrogen evolution reactions. Engineers consider thiospinel compounds like FeCo2S4 when seeking earth-abundant alternatives to precious-metal catalysts or when designing next-generation energy conversion devices that require materials combining electronic conductivity with surface chemical reactivity.

water splitting catalystshydrogen evolution electrodesbattery electrode materialssupercapacitor systemselectrochemical energy storageresearch-phase functional materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.179	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	1.306	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.09480	eV/atom	—
Formation Energy(ΔHf)	-0.4861	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.

FeCo2S4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control