Lithium Manganese Nickel Oxide (LiNi0.5Mn1.5O4, LNMO) is a high-voltage spinel cathode powder engineered for next-generation lithium-ion cells that demand more energy and power without the cost or supply-chain exposure of cobalt. Operating on a distinctive ~4.7 V plateau versus Li/Li+, LNMO pairs a cubic spinel framework with fast three-dimensional lithium-ion diffusion channels, enabling cells that charge quickly and deliver high power density. Infinita Materials supplies LNMO as a fine, free-flowing battery-grade powder with controlled particle size distribution and tightly specified purity, ready for slurry formulation and electrode coating. Its cobalt-free chemistry, thermal robustness, and strong rate capability make it a leading candidate for fast-charge EV packs, power tools, and grid storage systems pursuing higher energy density at lower material cost.
Introduction to Lithium Manganese Nickel Oxide Powder
Lithium Nickel Manganese Oxide (LNMO, LiNi₀.₅Mn₁.₅O₄) is a high-voltage cubic spinel cathode with either a disordered Fd-3m or Ni/Mn-ordered P4₃32 structure. Li⁺ occupies tetrahedral sites while Ni and Mn occupy octahedral sites within the oxygen framework. Ni²⁺/Ni⁴⁺ redox provides the principal charge capacity, while Mn⁴⁺ stabilises the spinel structure and suppresses Jahn–Teller distortion. LNMO delivers a high operating voltage near 4.7 V vs. Li/Li⁺ and benefits from three-dimensional lithium-ion diffusion, enabling high power and rate capability without cobalt. Supplied as a controlled particle-size powder, LNMO is formulated into cathode slurries for electrode coating and calendering. It is used in high-energy and high-power lithium-ion batteries for electric vehicles, consumer electronics, and stationary energy storage.
Answer: Due to their high energy density and good thermal stability, they are incorporated into the cathode of lithium-ion batteries, specifically those used in electric vehicles and portable devices.
Answer: This high-potential cathode has a higher energy density than lithium cobalt oxide and Lithium iron phosphate. Thus, LMNO batteries are used in high-energy and high-rate applications.
Answer: Potential benefits of LiMn1.5NI0.5O4 include high energy density, thermal stability, high rate capability, and reliability that make it appropriate for multiple applications.
Answer: LiMn1.5Ni0.5O4 is typically synthesized through solid-state reactions, co-precipitation methods, or sol-gel techniques, which help achieve the desired material properties.
Introduction to Lithium Manganese Nickel Oxide Powder
Lithium Nickel Manganese Oxide (LNMO, LiNi₀.₅Mn₁.₅O₄) is a high-voltage cubic spinel cathode with either a disordered Fd-3m or Ni/Mn-ordered P4₃32 structure. Li⁺ occupies tetrahedral sites while Ni and Mn occupy octahedral sites within the oxygen framework. Ni²⁺/Ni⁴⁺ redox provides the principal charge capacity, while Mn⁴⁺ stabilises the spinel structure and suppresses Jahn–Teller distortion. LNMO delivers a high operating voltage near 4.7 V vs. Li/Li⁺ and benefits from three-dimensional lithium-ion diffusion, enabling high power and rate capability without cobalt. Supplied as a controlled particle-size powder, LNMO is formulated into cathode slurries for electrode coating and calendering. It is used in high-energy and high-power lithium-ion batteries for electric vehicles, consumer electronics, and stationary energy storage.
Key Properties of Lithium Manganese Nickel Oxide Powder
Property
Value
Significance
Voltage plateau
~4.7 V vs Li/Li+ (flat discharge plateau, average ~4.75 V)
Roughly 0.7 V higher than conventional cathodes, raising cell energy density but requiring high-voltage-stable electrolytes and binders
Specific capacity
Theoretical ~146.7 mAh/g; practical 120 – 140 mAh/g at 0.1C (3.5 – 4.95 V window)
Combined with the high voltage plateau, delivers strong gravimetric energy density despite a modest capacity relative to layered oxides.
Particle size (D50)
3 – 6 μm (typical 4 – 5 μm)
Balances tap density, slurry processability, and lithium diffusion path length for good rate performance
Purity
99.0% – 99.9% battery grade; up to 99.99% on request
Limits transition-metal and alkali-metal impurities that accelerate capacity fade and gas generation
Density (true)
4.3 – 4.5 g/cm³
Crystallographic density of the dense spinel lattice, relevant to volumetric energy calculations
CAS number
12031-75-3
Standard chemical registry identifier used across supplier and safety documentation
Crystal structure
Cubic spinel, Fd-3m (disordered) or P4332 (Ni/Mn-ordered)
Provides interconnected three-dimensional channels for fast lithium-ion diffusion during cycling
Tap density
1.3 – 1.5 g/cm³ typical (micron-scale powder); denser secondary-particle grades up to ~2.2 g/cm³
Higher tap density improves electrode volumetric energy density and calendering behaviour
Types & Grades of Lithium Manganese Nickel Oxide Powder
Lithium Manganese Nickel Oxide powder is offered in standard catalogue grades and particle size distributions, with custom purity, morphology, and packaging available for OEM and R&D use.
Grade / Form
Typical Purity
Key Features / Uses
Standard battery-grade powder
99.0% – 99.5%
General-purpose LNMO for prototype and pilot-line electrode development
High-purity research grade
99.9% – 99.99%
Minimised transition-metal and cation impurities for fundamental electrochemistry and failure-mode studies
Disordered Fd-3m spinel
99.5%+
Higher electronic conductivity and rate capability from partial Mn3+ retention
Ordered P4332 spinel
99.5%+
Fully cation-ordered structure gives a cleaner, more reproducible single-phase 4.7 V plateau
Surface-coated / doped LNMO
99.5%+
Carbon, Al2O3, or metal-oxide coatings and light doping (e.g., Cr, Ti) improve high-voltage cycling stability and suppress electrolyte oxidation
Applications of Lithium Manganese Nickel Oxide Powder
Lithium Manganese Nickel Oxide powder supports demanding roles across research and production applications where this material’s specific structural, electronic, magnetic, or electrochemical properties are the key requirement.
Industry
Application
Function
Electric vehicles
High-power, fast-charge battery packs
High-voltage spinel enables greater energy density and rapid charge acceptance in cobalt-free cell chemistries
Power tools
High-rate discharge cells
3D lithium diffusion pathways support the high current draw needed for cordless tool performance
Grid energy storage
Stationary storage for renewable integration
Thermal and structural stability of the spinel framework supports long cycle life under repeated charge-discharge
Consumer electronics
Fast-charging smartphones and laptops
High operating voltage improves cell energy density in space-constrained devices.
Aerospace and defense
Reliability-critical power systems
Structural stability and predictable voltage behaviour support demanding safety and performance specifications
Battery R&D
Next-generation cathode and electrolyte development
Serves as a benchmark high-voltage, cobalt-free cathode for evaluating new electrolytes, binders, and cell designs
Why Partner with Infinita Materials?
Technical Depth: in-house quality control with ICP-MS and XRF purity verification, particle size distribution and density measurement, and full certificates of analysis on every lot.
Global Logistics: reliable supply from single R&D-scale quantities to production-line volumes, with established international shipping.
Responsive Support: direct access to materials engineers for grade, particle size, and packaging selection, and process-compatibility questions.
Take the Next Step
Infinita Materials manufactures Lithium Manganese Nickel Oxide powder engineered to the purity, particle size, and morphology your process requires. Whether the requirement is a standard catalogue grade or a custom particle size distribution, purity, or packaging format, our team can help match the right specification to your process. Request a quote or speak with our technical team to discuss your material specification.
Other Related Product to Lithium Manganese Nickel Oxide (LiMn1.5Ni0.5O4)
Due to their high energy density and good thermal stability, they are incorporated into the cathode of lithium-ion batteries, specifically those used in electric vehicles and portable devices.
This high-potential cathode has a higher energy density than lithium cobalt oxide and Lithium iron phosphate. Thus, LMNO batteries are used in high-energy and high-rate applications.
Potential benefits of LiMn1.5NI0.5O4 include high energy density, thermal stability, high rate capability, and reliability that make it appropriate for multiple applications.
LiMn1.5Ni0.5O4 is typically synthesized through solid-state reactions, co-precipitation methods, or sol-gel techniques, which help achieve the desired material properties.
Nickel contributes to higher capacity and energy density, improving the overall electrochemical performance of the cathode material.
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