K2Ni3S4 — Properties & Data | MatWorld

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)	0.1240	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.7500	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	9.514	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00122	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000643	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-326.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	370.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.8119	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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K2Ni3S4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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