LiCoS2 — Properties & Data | MatWorld

LiCoS2

Name: LiCoS2
Brand: MatWorld

metal

· LiCoS2

LiCoS₂ is a lithium cobalt sulfide compound that belongs to the layered metal sulfide family, notable for its potential in electrochemical energy storage and ion-conducting applications. While primarily a research material rather than a commodity engineering material, it is investigated for use in advanced lithium-ion battery cathodes and solid-state battery systems where its layered structure can facilitate lithium-ion transport. Engineers consider LiCoS₂-based systems when designing next-generation energy storage devices that require higher energy density or improved thermal stability compared to conventional oxide-based cathodes.

lithium-ion battery cathodessolid-state batteriesenergy storage researchadvanced electrochemistryhigh-energy-density cellsionic conductor development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	77.00	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3900	-	DFT · OptB88vdW
Shear Modulus(G)	35.26	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.500	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	Measured
↳	0.5010	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)2 entries	17.29	-	DFT · OptB88vdW
↳	20.91 range 19.17–22.64median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)	20.56	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.4014	C/m²	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	9.110	%	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.08100	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.8095	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.

LiCoS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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