Li4CuSi2O7
ceramic· JVASP-50463· Li4CuSi2O7
Li4CuSi2O7 is a lithium copper silicate ceramic compound that combines lithium, copper, and silicate phases in a single structure. This material is primarily of research interest for energy storage and electrochemical applications, where the lithium content and mixed-valence copper sites may provide ionic conductivity or electrochemical activity relevant to battery and solid-state electrolyte development. While not yet widely deployed in commercial products, lithium silicates and copper-containing variants are explored as potential components in next-generation lithium-ion systems and solid electrolyte materials where thermal stability and ionic transport properties are critical.
solid-state electrolytes (research)lithium-ion battery materials (developmental)electrochemical deviceshigh-temperature ceramicsmixed-metal silicate compoundsenergy storage research
Compliance & Regulations
?Conflict Free?RoHS?REACH?TSCA?Prop 65
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1102 | lb/in³ | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.6920 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 7.870 | - | — | ||
Magnetic Moment(μB) | 0.9990 | µB | — | ||
Piezoelectric Modulus(eij) | 0.4697 | C/m² | — | ||
Seebeck Coefficient(S) | -352.6 | µV/K | — |
Verified Unverified Low confidence (<80%) Link to source
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.04310 | eV/atom | — | ||
Formation Energy(ΔHf) | -2.387 | 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.