Lithium lanthanum titanate (LLTO) Powder

CAS Number 12031-66-2

Advanced Ceramic Materials, Battery Materials, Inorganic Electronic Materials, Materials, Metal Oxides

Lithium lanthanum titanate (LLTO) Powder MSDS

Lithium lanthanum titanate (LLTO) Powder CAS 12031-66-2

A perovskite solid-state electrolyte

with excellent ionic conductivity and stability for high performance lithium-ion batteries

Overview | Product Information | Related Products

Lithium lanthanum titanate (LLTO, CAS number 12031-66-2) is a perovskite solid-state electrolyte. The general formula of LLTO is Li_3xLa_2/3-xTiO₃, where x typically ranges from 0.05 to 0.33. The lithium and lanthanum contents impact the ionic conductivity and structural stability of the electrolyte. Increasing the lithium content generally enhances the ionic conductivity but can reduce structural stability. LLTO typically exhibits ionic conductivity in the range of 10⁻⁴ to 10⁻³ S/cm.

Lithium lanthanum titanate has been used in lithium sulfur batteries, all solid-state batteries, and supercapacitors. A lithium sulfur battery with a configuration of lithium/LLTO/polysulfide exhibits a high charge-storage capacity of 1429 mAh/g and electrochemical efficiency exceeding 99%. In solid-state capacitors, LLTO combined with 6% ionic liquid enables at least 10,000 charge–discharge cycles at an operating voltage of 2 V and a discharge current of 1.13 A/g (2 mA), achieving an outstanding Coulombic efficiency of 99%.

Perovskite solid-state electrolyte

promotes high ionic conductivity

Low cost

Cost Effective Value

High safety

Great stability

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General Information

CAS Number	12031-66-2
Chemical Formula	Li_0.480La_0.505TiO₃
Full Name	Lithium lanthanum titanium oxide
Molecular Weight	169.66 g/mol
Synonyms	Lithium lanthanum perovskite, LLTO
Classification or Family	Solid state electrolytes, Solid-state batteries, Lithium-iron batteries

Product Details

Ionic conductivity (technical data)	9.76 × 10⁻⁴ S/cm
Particle Size	1.05 µm (D50)
Specific Surface Area	2.62 m²/g
Appearance	White powder

MSDS Documentation

Lithium Lanthanum Titanate MSDS Sheet

References

Cold sintering of LLTO composite electrolytes for solid-state lithium batteries, A. Karapekemez et al., Batteries & Supercaps., 8, e202400631 (2025); DOI: 10.1002/batt.202400631.
Origin of high interfacial resistance in solid-state batteries: LLTO/LCO half-cells, P. Xu et al., ChemElectroChem, 8, 1847–1857 (2021); DOI: 10.1002/celc.202100189.
A solid-state electrolyte for electrochemical lithium–sulfur cells, Y.-C. Huang et al., RSC Adv., 14, 4025 (2024); DOI: 10.1039/d3ra05937e.

Temperature-dependent Li-ion transport in lithium lanthanum titanates electrolytes, J. Wang et al., Chem. Commun., 60, 8844–8847 (2024); DOI: 10.1039/D4CC02120G.
High energy density solid state symmetric supercapacitors using ionic liquid dispersed Li⁺ ion perovskites, B. Sharma et al., RSC Adv., 15, 2704 (2025); DOI: 10.1039/d4ra07417c.
Memory effect on the synthesis of perovskite-type Li-ion conductor Li_xLa_2/3–x/3TiO₃ (LLTO), M. Chambers et al., Chem. Mater., 36, 3, 1197–1213 (2024); DOI: 10.1021/acs.chemmater.3c01928.
Advances in solid lithium ion electrolyte based on the composites of polymer and LLTO/LLZO of rare earth oxides, Q. Zhang et al., Engineering Reports, 4, e12448 (2022); DOI: 10.1002/eng2.12448.

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