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ATOMFAIR® a roll of white boehmite coated separator membrane showing a matte textured sheet extending flat.

Boehmite Powder UG-03D Battery Grade D50 0.2-0.4μm ATOMFAIR®

$217.00

Institutional Procurement & Supply Compliance: As a verified US supplier, Atomfair accepts formal institutional Purchase Orders (POs), contract billing schedules, and custom procurement loops for university and national laboratories, and corporate R&D departments globally.

High-purity boehmite UG-03D for Li-ion battery ceramic separators. D50 0.2-0.4μm, Al2O3 ≥82%, surface area 6-10 m2/g, true density ≥2.6 g/cm3. Order now.

SKU: AFMSCDHF984
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Description

ATOMFAIR® HIGH-PURITY COATING-GRADE BOEHMITE POWDER

LITHIUM BATTERY CERAMIC COATING SPECIAL

Product Overview
The ATOMFAIR® High-Purity Coating-Grade Boehmite Powder is a premium inorganic precursor material engineered exclusively for advanced lithium-ion battery separator slurries and electrode thermal insulation layers. Synthesized into a highly stable monohydrate crystal form with a tightly controlled sub-micron median particle trajectory (D50: 0.20-0.40 μm), this elite powder delivers exceptional baseline slurry dispersibility and uniform layout thickness. Boasting rigorous restriction of metallic elements and moisture cross-contamination, it builds a deep safety barrier against battery internal micro-shorts and thermal runaway while safeguarding uncompromised electrochemical reproducibility.

Technical Specifications

PROPERTY ITEM SPECIFICATION VALUES
1. Core Device & Device Root Substrate Designation
Crystal Lattice Form Boehmite Monohydrate Crystallite Array
Target Application Focus Advanced ceramic slurry coatings for polyolefin battery separators and electrode boundaries
True Material Density ≥ 2.60 g/cm³
Apparent Bulk Density ≥ 0.20 g/cm³ Loose Packing Threshold
2. Powder Precursor & Grain Lattice Parameters
Median Particle Path (D50) 0.20 × 0.40 μm Calibrated Granular Median
Fine Boundary Granules (D10) 0.01 × 0.03 μm Lower Spectrum Limit
Coarse Boundary Cutoff (D90) ≤ 1.000 μm Strict Upper Limit Boundary
Specific Surface Area (BET) 6.0 × 10.0 m²/g Gas Absorption Scope
3. Chemical, Structural & Purity Matrix
Al₂O₃ Equivalent Conversion ≥ 82.00 % Base Concentration Value
Loss on Ignition (LOI) Limit ≤ 18.00 % Structural Water Evolution Scope
Moisture Volatile Content ≤ 0.50 % Ambient Adsorption Limit
Slurry Hydrolysis pH Value ≤ 9 Controlled Alkalinity Index
Trace Elemental Impurities Si ≤ 50 ppm | Fe ≤ 60 ppm | Na ≤ 300 ppm | Mg ≤ 50 ppm | Cu ≤ 20 ppm (Strictly regulated magnetic and electronic leakage inhibitors)
Manufacturing Rules Processed under strict ISO standard compliance requirements targeting total electronic defect elimination
Alternative Options Alternative particle distributions (D50 scales) and custom hydrophobic surface treatments are available upon institutional request. Please contact our support team.


Key Features & Advantages
  • Homogeneous Material Purity: Features an uncompromised monohydrate crystal profile with trace copper and iron counts pushed below minimal thresholds, blocking parasitic self-discharge loops.
  • Enhanced Operational Efficiency: Provides exceptional chemical stability and low water adsorption properties, keeping battery binder slurries fluid and printable without particle clogging during automated web coating.
  • Optimized Microstructure: Tightly controlled D90 boundaries eliminate oversized grains, enabling ultra-thin, low-impedance ceramic protective barriers that enhance high-temperature cell security.

APPLICATION SCOPE: Premium functional precursor for lithium-ion battery separator safety coatings, electrode edge thermal insulation slurries, non-aqueous functional coating systems, and high-purity inorganic barrier lamination projects.
PACKAGING: Dispatched inside hermetically sealed moisture-defensive containment packaging with heavy outer protective cladding to eliminate particle contamination.
IMPORTANT NOTICE: This sub-micron inorganic precursor powder is vulnerable to ambient moisture adsorption and secondary air particle ingress. Keep containment bags securely sealed and handle exclusively within clean, well-ventilated dry spaces to protect particle size boundaries and pH stability before definitive slurry validation testing workflows.

TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official quotations.
EMAIL: inquiry@atomfair.com
Manufacturer: Atomfair LLC
Brand: ATOMFAIR®

Boehmite powder for lithium battery separator coatings requires strict control of particle size distribution and moisture content to ensure uniform coating and electrochemical performance. The material is sensitive to humidity and contamination, necessitating sealed storage in low-moisture environments.

  • Moisture Sensitivity: Moisture content must be maintained below 0.50% to prevent agglomeration and degradation during slurry preparation.
  • Particle Size Distribution: The D50 range of 0.20–0.40 μm is critical for achieving a uniform coating thickness and preventing pinholes on the separator.
  • Purity Requirements: Low impurity limits (e.g., Fe ≤60 ppm, Na ≤300 ppm) must be upheld to avoid contamination of the battery electrolyte and short circuits.
  • pH Compatibility: The pH value ≤9 ensures compatibility with common polymeric binders used in ceramic coating slurries.
  • Surface Area Control: Surface area of 6.0–10.0 m²/g influences binder demand and must be accounted for in formulation to maintain coating adhesion.

How does the specific surface area of Atomfair UG-03D boehmite influence the binder demand and thermal stability of ceramic-coated separators?

The specific surface area of Atomfair UG-03D boehmite is 6.0–10.0 m²/g, a moderate range that balances sufficient adhesion to the separator substrate with minimal binder loading, preserving ionic conductivity. Its monohydrate crystal form and high Al₂O₃ content (≥82%) support thermal stability up to the loss-on-ignition ceiling of ≤18%, ensuring the coating withstands typical battery processing temperatures without excessive decomposition.

Are the trace impurity levels of sodium and iron in Atomfair UG-03D boehmite acceptable for high-voltage lithium-ion battery chemistries?

Atomfair UG-03D boehmite contains Na ≤300 ppm and Fe ≤60 ppm, impurity limits that meet conventional purity requirements for lithium battery separator coatings. These levels are unlikely to cause significant capacity fade or accelerated degradation in standard NMC and LFP systems, though validation for ultra-high-voltage cells may be advisable. The low Si (≤50 ppm) and Cu (≤20 ppm) further minimize contamination-driven side reactions.

What storage and handling precautions are necessary to maintain the low moisture content and prevent agglomeration of Atomfair UG-03D boehmite?

Atomfair UG-03D boehmite must be stored in sealed, dry containers to preserve its as-specified moisture content of ≤0.50%; exposure to humidity can raise moisture levels, causing slurry flocculation and coating defects. The ultrafine particle size (D50 0.20–0.40 μm) and low bulk density (≥0.20 g/cm³) generate easily airborne dust, so local exhaust ventilation and antistatic grounding are recommended during transfer and mixing to ensure operator safety and product integrity.

The Atomfair UG-03D boehmite powder offers a fine particle size (D50 0.2–0.4 μm) and high purity (Al₂O₃ ≥82.00%, low metallic impurities) suitable for ceramic coatings on lithium battery separators. However, its moisture sensitivity (≤0.50%) and mildly alkaline pH (≤9) impose specific storage and slurry formulation constraints that must be managed during processing.

Positive

  • Fine particle size for uniform coating: The D50 of 0.20–0.40 μm enables thin, homogeneous ceramic coatings on battery separators, reducing internal shorts and improving thermal stability.
  • High purity with low metallic impurities: Al₂O₃ ≥82.00% and ppm-level Si, Fe, Na, Mg, Cu impurities minimize dendritic growth and electrolyte contamination, enhancing battery safety and cycle life.

Trade-offs

  • Moisture content requires controlled storage: With ≤0.50% moisture, the powder is hygroscopic and must be stored in sealed, dry conditions to prevent agglomeration and maintain coating uniformity.
  • pH constraint affects slurry formulation: The pH ≤9 (slightly alkaline) may require pH adjustment or compatible binder systems to avoid instability or gassing during slurry preparation.

Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.

To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.

Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).

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