Li4 Cu1 F5

semiconductor

· Li4 Cu1 F5

Li₄CuF₅ is an experimental lithium copper fluoride compound belonging to the family of lithium-based ionic conductors and mixed-metal fluorides. This material is primarily of research interest for solid-state electrolyte applications in next-generation batteries, where its ionic conductivity and electrochemical stability are being evaluated as alternatives to conventional liquid electrolytes. The compound represents an emerging class of materials designed to enable higher energy density and improved safety in lithium-ion and lithium-metal battery systems, though it remains largely in laboratory development rather than commercial production.

solid-state battery electrolyteslithium-ion battery developmentelectrochemical energy storage researchionic conductor materialsnext-generation battery systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	10,802.1	ksi	—
Shear Modulus(G)	4,888.8	ksi	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.481	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.673	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.

Li4 Cu1 F5

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control