Li4 Si2

semiconductor

· Li4 Si2

Li₄Si₂ is a lithium-silicon intermetallic compound belonging to the semiconductor/ionic conductor family, combining lithium's electrochemical properties with silicon's structural framework. This material is primarily of research interest for advanced battery technologies, particularly as a potential solid-state electrolyte or anode material, where the high lithium content and ionic conductivity make it attractive for next-generation energy storage systems seeking to improve safety, energy density, and cycle life compared to conventional liquid electrolytes.

solid-state battery electrolyteslithium-ion anode materialselectrochemical energy storageadvanced battery researchionic conductor development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	33.47	GPa	—
Shear Modulus(G)	26.68	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00890	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2610	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 Si2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control