Li5GeP3

ceramic

· JVASP-53406· Li5GeP3

Li5GeP3 is a lithium-based ceramic compound belonging to the family of lithium ion conductors, specifically a phosphide-germanide phase that exhibits ionic transport properties. This material is primarily of research interest as a solid-state electrolyte candidate for next-generation lithium-ion and lithium-metal battery systems, where it offers potential advantages in ionic conductivity, thermal stability, and safety compared to conventional liquid electrolytes. The compound is notable within the broader solid electrolyte landscape for its structural framework that facilitates lithium-ion mobility, making it relevant to engineers developing high-energy-density energy storage systems, though it remains largely in the experimental phase outside specialized battery research.

solid-state battery electrolyteslithium-ion conductor researchnext-generation energy storagehigh-performance battery systemselectric vehicle power sources

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.07688	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.7490	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	10.29	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	1.937	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.613	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00158	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00117	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-288.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	322.7	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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, or test environment.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6157	eV/atom	DFT · OptB88vdW

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

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

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.

Li5GeP3 — Properties & Data | MatWorld

Li5GeP3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental