LiFe2P2O8 — Properties & Data | MatWorld

LiFe2P2O8

ceramic

· JVASP-46739· LiFe2P2O8

LiFe2P2O8 is an iron-based lithium phosphate ceramic compound belonging to the polyphosphate family. This material is primarily investigated in battery and energy storage research contexts, particularly for advanced lithium-ion battery cathode applications where iron phosphates offer cost advantages and thermal stability compared to conventional layered oxide cathodes. While not yet widely deployed in commercial products, the iron phosphate family is notable for enabling safe, long-cycle-life battery chemistries in electric vehicles and grid storage systems.

battery cathode materialsenergy storage researchlithium-ion cellsthermal-stable cathodescost-effective battery chemistryadvanced electro-ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.759	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.08300	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	50.05	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	21.79	-	DFT · OptB88vdW
Magnetic Moment(μB)	9.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.2732	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000424	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000424	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-73.62	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	-52.84	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.005	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.

LiFe2P2O8

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental