Na3PS4 — Properties & Data | MatWorld

Na3PS4

ceramic

· JVASP-12952· Na3PS4

Na₃PS₄ is an inorganic ceramic compound belonging to the thiophosphate family, notable as a solid-state electrolyte material with ionic conductivity. This compound is primarily investigated in research and development contexts for next-generation battery systems, particularly solid-state lithium-ion and sodium-ion battery architectures where it can replace liquid electrolytes to improve safety, energy density, and cycle life. Engineers consider thiophosphate ceramics like Na₃PS₄ when designing all-solid-state battery cells that demand high ionic conductivity combined with chemical stability, though the material remains largely in the experimental phase and has not yet achieved widespread commercial deployment.

solid-state battery electrolytessodium-ion battery systemsall-solid-state energy storageionic conductor researchnext-generation battery architectureelectrochemical device interfaces

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,990	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3500	-	DFT · OptB88vdW
Shear Modulus(G)	1,617.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.08074	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.234	eV	DFT · OptB88vdW
↳	3.338	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	9.687	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.843	-	DFT · OptB88vdW
↳	3.707	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.7600	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.350	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.2382	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000985	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00185	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-151.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	300.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	2.060	%	DFT · TBmBJ

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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.9869	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

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.

Na3PS4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental