Li12 Cu4 S8

semiconductor

· Li12 Cu4 S8

Li₁₂Cu₄S₈ is a mixed-metal sulfide compound combining lithium and copper in a quaternary crystal structure, belonging to the family of solid-state ionic conductors and semiconducting materials. This is primarily a research-stage compound studied for its potential in lithium-ion battery electrolytes and solid-state energy storage systems, where the combination of high lithium content with copper's electronic properties offers promise for improved ionic conductivity and electrochemical stability compared to single-component sulfide alternatives.

solid-state battery electrolyteslithium-ion conductor researchenergy storage materialselectrochemical devicesionic conductor developmentnext-generation battery chemistry

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	2.619	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.087	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.

Li12 Cu4 S8

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control