Li2FeP2S6 — Properties & Data | MatWorld

Li2FeP2S6

metal

· JVASP-40482· Li2FeP2S6

Li2FeP2S6 is a lithium iron thiophosphate compound belonging to the family of mixed-metal sulfide phosphides, which are being actively researched as solid-state electrolyte materials and cathode compounds for next-generation battery systems. This material is primarily of academic and developmental interest rather than established commercial production, with potential applications in all-solid-state lithium-ion batteries where its ionic conductivity and electrochemical stability could enable higher energy density and improved safety compared to conventional liquid electrolytes. Engineers evaluating this material should recognize it as an emerging candidate in battery materials research, particularly relevant for applications requiring compact energy storage with enhanced thermal stability.

solid-state battery electrolytesall-solid-state lithium-ion cellshigh-energy-density energy storagecathode materials researchthermal-stable battery systemsnext-generation EV/aerospace power

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	39.28	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2200	-	DFT · OptB88vdW
Shear Modulus(G)	28.05	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	2.656	kg/m³	DFT · OptB88vdW

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

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.00600	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	43.51	-	DFT · TBmBJ
Magnetic Moment(μB)	4.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	5.840	%	DFT · TBmBJ

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)	0.03240	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6427	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

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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.

Li2FeP2S6

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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