Li1 S2 Y1

semiconductor

· Li1 S2 Y1

Li₁S₂Y₁ is a ternary lithium-yttrium sulfide compound classified as a semiconductor, representing an experimental material in the family of mixed-metal sulfides. This composition combines lithium's ion-transport properties with yttrium's chemical stability, making it a candidate material for solid-state electrolyte or energy storage applications under research conditions; it is not yet established in mainstream industrial production. The material's potential lies in advancing next-generation solid-state batteries and high-energy-density storage systems where sulfide-based electrolytes offer improved ionic conductivity and thermal stability compared to conventional liquid electrolytes.

solid-state battery electrolytesenergy storage researchlithium-ion conductor materialshigh-temperature electrochemical cellsmaterials science development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	7,714.4	ksi	—
Shear Modulus(G)	4,762	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.970	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.038	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.

Li1 S2 Y1

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control