Ni3S2

metal
· Ni3S2

Ni3S2 is a nickel sulfide intermetallic compound that belongs to the family of metal sulfides, typically produced through controlled synthesis or as a byproduct in nickel processing and sulfide ore beneficiation. While not a mainstream structural material, Ni3S2 has attracted interest in electrochemistry and energy storage applications—particularly as a catalyst for hydrogen evolution and oxygen reduction reactions—and in research contexts exploring sulfide-based materials for battery and fuel cell technologies. Its selection would be driven by specialized electrochemical performance requirements rather than conventional mechanical load-bearing roles, and it represents an emerging material class for next-generation clean energy devices.

hydrogen evolution catalystselectrochemical energy storagefuel cell researchore processing metallurgyelectrocatalyst developmentexperimental battery materials

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
18,411
ksi—
↳
18,554.7
ksi—
Poisson's Ratio(ν)
0.3200
-—
Shear Modulus(G)2 entries
8,071
ksi—
↳
7,887.2
ksi—
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.2317
lb/in³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV—
Magnetic Moment(μB)
0.000
µB—
Seebeck Coefficient(S)
-6.253
µV/K—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.1301
eV/atom—
Formation Energy(ΔHf)2 entries
-0.4484
eV/atom—
↳
-0.2818
eV/atom—
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.
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.