Li2CuAg — Properties & Data | MatWorld

Li2CuAg

metal

· JVASP-81152· Li2CuAg

Li₂CuAg is an intermetallic compound combining lithium, copper, and silver—a ternary metal system that exists primarily in research and experimental contexts rather than established commercial production. This material belongs to the family of lightweight intermetallics and is of interest for its potential in high-energy-density applications, particularly where the combination of lithium's low density with copper and silver's electrical and thermal properties could offer advantages. The material remains largely in the investigation phase; its actual engineering viability depends on thermal stability, brittleness, and manufacturing scalability—factors that must be resolved before adoption in demanding industrial roles.

battery electrode materials (research)high-energy-density systemslightweight alloy developmentelectrical contact researchexperimental aerospace materialsadvanced material characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	429	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.963	eV	DFT · OptB88vdW
↳	2.195	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	2.151	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	1.785	-	DFT · OptB88vdW
↳	1.742	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00181	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000395	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-230.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	278.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	18.77	%	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)	1.142	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.9617	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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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.

Li2CuAg

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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