K3Co2F7 — Properties & Data | MatWorld

K3Co2F7

metal

· JVASP-26682· K3Co2F7

K3Co2F7 is an inorganic fluoride compound containing potassium and cobalt, belonging to the family of metal fluorides that are typically investigated for their electrochemical and ionic transport properties. This is a research-phase material rather than an established engineering material; compounds in this chemical family are of primary interest in battery electrolytes, solid-state ion conductors, and fluoride-based ceramics where high ionic mobility and chemical stability are desired. The cobalt-fluoride system offers potential advantages in next-generation energy storage and solid electrolyte applications, though industrial adoption remains limited compared to more conventional ceramic and polymeric alternatives.

solid-state battery electrolytesionic conductors (research)electrochemical cellsfluoride ceramics (experimental)energy storage materials (exploratory)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1263	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	6.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000578	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000549	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	50.10	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	48.92	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.01290	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.442	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

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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.

K3Co2F7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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