Li22Si5

ceramic

· Li22Si5

Li22Si5 is a lithium-silicon intermetallic ceramic compound, representing a specific phase in the Li-Si binary system. This material is primarily of research interest rather than established commercial use, investigated for its potential in lithium-ion battery anodes and solid-state electrolyte applications where high lithium content and ceramic stability are desirable. The Li-Si ceramic family is notable for combining high theoretical lithium storage capacity with structural rigidity, though challenges around volume expansion and ionic conductivity continue to be addressed in laboratory and development settings.

battery anode researchsolid-state electrolyte developmentadvanced lithium storageceramic materials researchnext-generation energy storage

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.2529	eV/atom	—

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

Regulatory Screening

Environmental

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.

Li22Si5

Other Properties

Regulatory Screening

Environmental