KNa3H4

ceramic

· JVASP-91755· KNa3H4

KNa3H4 is an inorganic ceramic compound containing potassium, sodium, and hydrogen—a mixed-alkali metal hydride ceramic with potential applications in energy storage and solid-state chemistry. This is a research-stage material, not yet established in mainstream industrial use; the material family shows promise for hydrogen storage, ion-conducting electrolytes, or specialized chemical synthesis roles where alkali metal hydrides offer unique reactivity or ionic properties. Engineers would consider this compound in exploratory projects involving advanced battery systems, hydrogen economy applications, or solid-state ionic conductors where conventional ceramics fall short.

hydrogen storage researchsolid-state electrolytesadvanced battery materialschemical catalyst supportsalkali metal compound synthesisexperimental ionic conductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	2,958.8	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1800	-	DFT · OptB88vdW
Shear Modulus(G)	2,419.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.05123	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.121	eV	DFT · OptB88vdW
↳	5.720	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.003	-	DFT · OptB88vdW
↳	1.999	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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)	0.04970	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.2571	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.

KNa3H4 — Properties & Data | MatWorld

KNa3H4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental