Na(CuS)4

metal

· Na(CuS)4

Na(CuS)4 is a copper sulfide compound with sodium incorporation, belonging to the mixed-metal sulfide family of materials. This is a research-phase compound rather than an established engineering material; it is being investigated primarily for energy storage and semiconductor applications due to the electrochemical activity of copper sulfide phases and the ionic conductivity contributions of sodium. The material represents an exploratory direction in alternative battery chemistries and photovoltaic absorber layers, where copper sulfide compounds offer potential cost advantages and abundance compared to conventional alternatives, though commercial deployment remains limited.

experimental battery cathodessodium-ion energy storagephotovoltaic absorber layersthin-film semiconductorsmaterials research phase

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	58.26	GPa	—
Shear Modulus(G)	21.51	GPa	—

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.

Na(CuS)4

Mechanical Properties

Regulatory Screening

Environmental

Export Control