Li2B2Se5

ceramic

· JVASP-13078· Li2B2Se5

Li2B2Se5 is an inorganic ceramic compound composed of lithium, boron, and selenium, belonging to the family of mixed-anion ceramics with potential ionic-conducting or optical properties. This material remains largely in the research and development phase, primarily investigated for advanced solid-state electrochemistry and photonic applications where its unique crystal structure and selenium content offer potential advantages in high-energy-density systems or specialized optical devices.

solid-state battery electrolytesionic conductorsoptical/photonic materialsresearch compoundshigh-temperature ceramicsnext-generation energy storage

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1549	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.653	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	7.951	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	1.360	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.293	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000935	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00114	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-198.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	323.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	-0.5462	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.

Li2B2Se5 — Properties & Data | MatWorld

Li2B2Se5

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental