Lithium Lanthanum Zirconium Tantalum Oxide Ta0.25-Li6.75La3Zr1.75O12 LLZTO Solid State Electrolyte Powder for Advanced Lithium Ion Batteries

Product Overview

This high-purity lithium lanthanum zirconium tantalum oxide (Ta0.25-Li6.75La3Zr1.75O12, LLZTO) solid-state electrolyte powder represents a critical material advancement for next-generation lithium metal and all-solid-state lithium-ion battery architectures. Engineered with precision stoichiometry (Ta:Li:La:Zr:O = 0.25:6.75:3:1.75:12 molar ratio), this electrolyte material features tantalum doping that stabilizes the highly conductive cubic garnet crystal phase at room temperature. The stabilized cubic structure eliminates low-conductivity tetragonal phase transitions, ensuring uniform lithium-ion transport channels throughout the bulk material.

Designed specifically for advanced energy storage research, solid-state cell prototyping, and industrial battery manufacturing, this powder exhibits outstanding chemical stability against metallic lithium anodes and robust electrochemical stability across high voltage windows. The controlled sub-micron to fine micron particle sizing (primary particle size ≤ 5 μm) and 325-mesh classification ensure exceptional dispersibility during slurry preparation, tape casting, pellet pressing, and high-temperature sintering processes. It enables the fabrication of dense ceramic separator membranes and composite solid electrolyte matrices with minimized grain boundary resistance.

Synthesized under rigorous quality assurance protocols, this electrolyte powder achieves 3N (≥ 99.9 wt%) chemical purity with strictly regulated trace metallic impurities. Researchers and industrial battery manufacturers rely on this premium powder to inhibit lithium dendrite penetration, suppress interfacial degradation, and build intrinsically safe, high-energy-density solid-state batteries capable of reliable cycling under demanding thermal and mechanical conditions.

Key Features

• Exceptional Room-Temperature Ionic Conductivity: Tantalum substitution stabilizes the cubic garnet structure, delivering an ultra-high room-temperature bulk ionic conductivity of 3.8 × 10⁻³ S·cm⁻¹ for rapid lithium-ion diffusion across the electrolyte matrix.
• Stabilized Cubic Garnet Crystalline Phase: Strict chemical composition control prevents the formation of low-conductivity tetragonal phases, maintaining consistent cubic garnet lattice parameters that facilitate continuous 3D Li⁺ transport pathways.
• 3N High-Purity Formulation: Achieves ≥ 99.9 wt% overall purity with stringent ppm-level limits on transition metals and alkali impurities, preventing parasitic side reactions and self-discharge phenomena at high operating voltages.
• Controlled Microstructure & Particle Sizing: Uniform primary particle size distribution (D50 ≤ 5 μm) and standard 325-mesh classification promote high tap density, uniform green body compaction, and accelerated densification kinetics during solid-state sintering.
• Superior Electrochemical Interfacial Stability: Demonstrates remarkable thermodynamic stability in direct contact with metallic lithium anodes, suppressing lithium dendrite growth and mitigating electrolyte reduction during extended cycling.
• Wide Electrochemical Stability Window: Withstands high operating voltages (> 4.5 V vs. Li/Li⁺), enabling seamless integration with high-voltage cathode chemistries such as nickel-rich NCM, NCA, and lithium cobalt oxide.
• Optimized Sintering & Processing Compatibility: Tailored particle morphology supports both dry pressing of monolithic ceramic pellets and wet tape-casting of ultra-thin flexible composite polymer-ceramic electrolyte membranes.
• High Chemical & Thermal Stability: Non-flammable ceramic composition provides inherent operational safety, eliminating thermal runaway risks associated with conventional volatile liquid organic carbonate electrolytes.

Applications

Technical Specifications

Why Choose This Product

• Precision Stoichiometric Control: Synthesized using state-of-the-art solid-state and wet-chemical doping methods, guaranteeing exact Ta-to-Zr lattice substitution for consistent phase stabilization and zero batch-to-batch conductivity drift.
• Ultra-Low Trace Impurity Architecture: Rigorous quality control maintains transition metal and alkali impurities at strict ppm thresholds, protecting high-voltage battery prototypes from localized redox degradation and internal micro-shorts.
• Optimized for High-Density Densification: The controlled ≤ 5 μm primary particle size enables rapid sintering at lower temperatures, achieving > 95% theoretical pellet density while preserving clean, low-resistance grain boundaries.
• End-to-End Workflow Integration: Fully compatible with laboratory-scale cold isostatic pressing (CIP), hydraulic pellet pressing, automatic slurry coating, and tape-casting systems across cell prototyping workflows.
• Dedicated Technical & Engineering Support: Backed by specialized materials engineering expertise to support battery development teams with sintering profiles, binder burnout protocols, and interface engineering strategies.

Contact our technical sales team today to request a quote, material data sheets, or sample quantities tailored to your solid-state battery research and development requirements.

Trusted by Industry Leaders