Li2FePO5

ceramic

· JVASP-47507· Li2FePO5

Li2FePO5 is an inorganic ceramic compound in the lithium iron phosphate family, a class of materials studied for energy storage and electrochemical applications. This specific composition is primarily a research material rather than a commercialized product; lithium iron phosphates are of significant interest as cathode materials and solid electrolytes due to their thermal stability, low toxicity, and potential for high ionic conductivity. Engineers evaluating this compound would typically be working in battery development, solid-state electrolyte systems, or advanced energy storage where structural stability and electrochemical performance at elevated temperatures are critical design drivers.

solid-state battery cathodessolid electrolyte materialslithium-ion energy storage R&Dhigh-temperature electrochemical devicesthermal-stable ionic conductors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1191	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.1880	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	26.90	-	DFT · OptB88vdW
Magnetic Moment(μB)	9.866	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000302	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00154	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	98.93	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	165.3	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.07870	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.137	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.

Li2FePO5 — Properties & Data | MatWorld

Li2FePO5

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental