Co9Se8

metal

· JVASP-12449· Co9Se8

Co9Se8 is a cobalt selenide compound belonging to the metal chalcogenide family, combining cobalt with selenium to form an intermetallic phase. This material is primarily investigated in research contexts for energy storage and electrocatalytic applications, where its mixed-valence cobalt sites and selenium incorporation offer enhanced electronic properties compared to pure cobalt oxides or simple binary compounds. Engineers consider Co9Se8 for next-generation electrochemical devices where improved charge transfer kinetics and structural stability are critical advantages over conventional materials.

supercapacitor electrodeshydrogen evolution catalystsbattery materials researchelectrocatalysisenergy storage devicesemerging device prototyping

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2527	lb/in³	—

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

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—
Seebeck Coefficient(S)	-11.63	µV/K	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	—
Formation Energy(ΔHf)	-0.2735	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

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.

Co9Se8

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control