NaLi2Bi

ceramic

· NaLi2Bi

NaLi2Bi is an intermetallic ceramic compound composed of sodium, lithium, and bismuth, representing a ternary phase in the alkali-metal bismuth system. This material remains primarily a research compound rather than an established commercial ceramic, studied for its potential in electrochemical and materials science applications where mixed-valence alkali metals and heavy p-block elements create novel electronic or ionic properties. Engineers and researchers investigating advanced battery materials, solid-state electrolytes, or intermetallic phases with unusual transport properties would examine this compound as a candidate, though its practical engineering use is currently limited to laboratory and theoretical investigation.

solid-state electrolyte researchbattery material developmentintermetallic phase studieselectrochemical applicationsmaterials discovery

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,847.9	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2000	-	DFT · OptB88vdW
Shear Modulus(G)	3,092.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1742	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.5040	eV	DFT · OptB88vdW
↳	0.9310	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	21.85	-	DFT · OptB88vdW
↳	25.37	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	13.54	-	DFT · OptB88vdW
↳	10.19	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.2800	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.4600	me	DFT · OptB88vdW · 27°C
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00217	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00380	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-146.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	245.9	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	31.11	%	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.5459	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.

NaLi2Bi — Properties & Data | MatWorld

NaLi2Bi

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental