K4 O8 — Properties & Data | MatWorld

K4 O8

ceramic

· K4 O8

K₄O₈ is a potassium oxide ceramic compound that exists primarily in research and experimental contexts rather than established industrial production. This material belongs to the family of alkali metal oxides and may be investigated for applications requiring high ionic conductivity, oxygen ion transport, or novel electrochemical properties. The K₄O₈ composition is of particular interest in solid-state ionics research, where it could serve as a candidate electrolyte material or oxygen-conducting phase in energy storage and conversion devices, though its practical use remains limited compared to more stable, commercially established ceramic systems.

solid-state electrolytes (research)oxygen ion conductorselectrochemical energy storagebattery and fuel cell developmentmaterials science research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	4.439	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.9430	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.

K4 O8

Electrical Properties

Other Properties

Regulatory Screening

Environmental