K2Se5

ceramic
· JVASP-4912· K2Se5

K2Se5 is an inorganic ceramic compound composed of potassium and selenium, belonging to the metal chalcogenide family. This material is primarily of research interest rather than established industrial production, being studied for potential applications in energy storage, photovoltaic devices, and solid-state ionic conductors due to the favorable layered crystal structure characteristic of potassium selenides. Engineers considering K2Se5 would be working on early-stage development projects in battery technology, thermoelectrics, or optoelectronic systems where alternative selenium-based ceramics may be limited by cost or performance constraints.

solid-state batteriesphotovoltaic researchionic conductor materialsenergy storage (experimental)semiconductor compoundsthermal management research

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Exfoliation Energy(Eexf)
meV/atom
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Dielectric Constant (Relative Permittivity)(εr)
-
Magnetic Moment(μB)
µB
Piezoelectric Modulus(eij)
C/m²
Seebeck Coefficient(S)
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)
eV/atom
Verified Unverified Low confidence (<80%) Link to source

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.