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Aluminum oxide for lithium-ion battery cathode materials
- Description
- Specifications
- Physical Properties
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Product Introduction
Aluminum oxide can be used to modify electrode materials during their synthesis, thereby enhancing their cycling performance and safety.
Coating the surface of the cathode material with alumina can prevent direct contact between the active cathode material and the electrolyte, thereby reducing the loss of electrochemical specific capacity, minimizing side reactions and heat generation during battery cycling, enhancing the electrochemical performance of the cathode material, improving its cycle life, and strengthening its structural stability.
The alumina products used for material coating are available in three models: ZKC432, ZKC440A, and ZK540A. -
Aluminum oxide ZKC432
Technical Specification for High-Purity γ-Alumina
Molecular formula: Al₂O₃
Molecular weight: 102
Technical Indicators:
Project
Technical indicators
ZKC432
Testing method instrument
Purity, % ≥ - 99.9 ICP Appearance - White powder Visual inspection Crystal form - Gamma phase Diffractometer Median particle size, µm - ≤3 Laser particle size analyzer Aluminum content, % - 52.0±1.0 Loss on ignition Trace element content, ≤(µg/g) Na 300 ICP Fe 50 This 200 Cu 20 Zn 20 Ni 20 Cr 20 Magnetic substances, ≤(µg/g) - 0.2 ICP 
Aluminum Oxide ZKC440A
Technical Specification for High-Purity Alumina Used in the Cathode
Molecular formula: Al₂O₃
Molecular weight: 102
Technical Indicators:
Project
Technical indicators
ZKC440A
Testing method instrument
Purity, % ≥ - 99.95 ICP Appearance - White powder Visual inspection Crystal form - Gamma phase Diffractometer Median particle size, µm ≤ - 10 Laser particle size analyzer Trace element content, ≤(µg/g) Na (%) <0.03 ICP Mg (%) <0.002 Si (%) <0.01 Fe (%) <0.01 Cu (%) <0.002 Zn (%) <0.002 Ni (%) <0.002 Cr (%) <0.002 Magnetic substances, ≤(µg/g) - ≤0.2 ICP 
Mixed-phase alumina ZK540A
Technical Specification for High-Purity Alumina Used in the Cathode
Molecular formula: Al₂O₃
Molecular weight: 102
Technical Indicators:
Project
Technical indicators
ZKC540A
Testing method instrument
Purity, % ≥ - 99.95 ICP Appearance - White powder Visual inspection Crystal form - Mixed phase Diffractometer Median particle size, µm ≤ - ≤5 Laser particle size analyzer Moisture, % ≤ - ≤2.5 Moisture meter Trace element content, ≤(µg/g) Na (%) <0.03 ICP Mg (%) <0.002 Si (%) <0.01 Fe (%) <0.01 Cu (%) <0.002 Zn (%) <0.002 Ni (%) <0.002 Cr (%) <0.002 Magnetic substances, (µg/g) ≤ - ≤0.5 ICP 
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