Li2Cr2O7 — Properties & Data | MatWorld

Li2Cr2O7

ceramic

· JVASP-44380· Li2Cr2O7

Lithium dichromate (Li₂Cr₂O₇) is an inorganic ceramic compound combining lithium and chromium oxides, typically encountered as a research material or specialty chemical rather than a primary structural ceramic. While not widely deployed as an engineering material in its own right, this compound and related lithium-chromium oxide systems are of interest in electrochemistry, solid-state chemistry, and thermal applications where chromium oxides provide oxidation resistance and lithium compounds enable ionic conductivity or thermal properties.

solid-state electrolytes (research)oxidation catalyststhermal barrier coatings (experimental)battery materials (research phase)refractory additivescorrosion-resistant coatings (specialty applications)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.774	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.160	eV	DFT · OptB88vdW
↳	1.465	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.055	-	DFT · OptB88vdW
↳	7.372	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000921	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000319	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-354.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	406.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	32.81	%	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)	0.00630	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.009	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.

Li2Cr2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental