Li2Fe2S3

metal

· JVASP-50619· Li2Fe2S3

Li2Fe2S3 is an iron-lithium sulfide compound belonging to the family of lithium-iron chalcogenides, currently investigated primarily as a research material rather than an established commercial product. This material is of interest in solid-state battery and energy storage applications, where lithium-iron sulfides are explored as potential cathode or electrolyte components due to their mixed-valent iron chemistry and ionic conductivity characteristics. The compound represents an experimental avenue in next-generation battery chemistry, competing with conventional layered oxides and emerging alternatives as researchers seek higher energy density and alternative electrochemical platforms.

solid-state batteriescathode materials (experimental)energy storage systemslithium-ion alternativeselectrochemical researchadvanced battery development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	2.988	kg/m³	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Seebeck Coefficient(S)	25.99	µV/K	—

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.2974	eV/atom	—
Formation Energy(ΔHf)	-0.6870	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.

Li2Fe2S3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control