Na5Co2S5

metal

· JVASP-13014· Na5Co2S5

Na5Co2S5 is a ternary metal sulfide compound combining sodium, cobalt, and sulfur, representing a mixed-metal chalcogenide in the research phase rather than an established commercial material. This compound family is being investigated for energy storage and electrochemical applications, particularly in sodium-ion battery systems and solid-state electrolyte development, where the combination of alkali metal and transition metal sulfides offers potential advantages in ionic conductivity and redox activity. The material would appeal to researchers and engineers exploring next-generation battery chemistries as an alternative to conventional lithium-based systems, leveraging sodium's abundance and cobalt's electrochemical versatility.

sodium-ion batteriessolid-state electrolytescathode materials (research)electrochemical energy storagetransition metal sulfides

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.759	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.000	µB	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1045	eV/atom	—
Formation Energy(ΔHf)	-0.8592	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.

Na5Co2S5

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control