Li2FeGeS4

semiconductor

· Li2FeGeS4

Li2FeGeS4 is a quaternary sulfide semiconductor compound combining lithium, iron, germanium, and sulfur elements. This is an experimental research material being investigated for solid-state battery electrolytes and energy storage applications, where its ionic conductivity and structural stability are of interest. The material represents an emerging class of sulfide-based solid electrolytes that could offer higher energy density and improved safety compared to conventional liquid electrolytes in next-generation lithium-ion and all-solid-state battery systems.

solid-state battery electrolytesenergy storage researchlithium-ion batteriesionic conductorsadvanced materials developmentelectrochemical devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.420	eV	—

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.

Li2FeGeS4

Electrical Properties

Regulatory Screening

Environmental

Export Control