Li12Si7

ceramic
· Li12Si7

Li12Si7 is an intermetallic ceramic compound in the lithium-silicon system, representing a complex silicide phase that combines metallic lithium with silicon in a fixed stoichiometric ratio. This material is primarily of research and development interest rather than established in high-volume industrial production, with potential applications in energy storage, advanced ceramics, and lightweight structural composites where lithium-containing phases can provide thermal and chemical benefits. Li12Si7 and related lithium silicides are investigated for their possible roles in next-generation battery materials, thermal management systems, and as precursors or additives in ceramic matrix composites, though practical engineering adoption remains limited pending further development of synthesis routes and property optimization.

advanced battery researchceramic matrix compositeslightweight aerospace materialsthermal management systemssilicide-based ceramicsenergy storage development

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
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ksi——
↳
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ksi——
Elastic Compliance Tensor(Sij)
Matrix (redacted)
1/GPa——
Elastic Anisotropy(AU)
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-——
Elastic Stiffness Tensor(Cij)
Matrix (redacted)
ksi——
Poisson's Ratio(ν)
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-——
Shear Modulus(G)2 entries
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ksi——
↳
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ksi——
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
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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.