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2000MPa High Al₂O₃ Alumina Oxide Balls For Anode Cathode Processing

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2000MPa High Al₂O₃ Alumina Oxide Balls For Anode Cathode Processing

Brand Name : Zhongli

Model Number : AGB-01

Certification : CE ISO

Place of Origin : China

MOQ : 1kg

Payment Terms : L/C,T/T,Western Union

Supply Ability : 40-200ton per month

Delivery Time : within 15 days

Packaging Details : plastic + barrel

Thermal Conductivity : 25 W/m·K

Thermal Expansion Coefficient : 8 x 10-6/°C

Usage : Grinding and milling applications

Compressive Strength : 2000 MPa

Shape : Spherical

Color : White

Hardness : 9 Mohs

Customization : Available upon request

Abrasion Resistance : Excellent

Diameter : 1mm - 100mm

Material : Alumina

Purity : ≥ 99%

Density : 3.6 g/cm3

Chemical Resistance : High

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Product Description

Enhancing Battery Performance with Al₂O₃ Balls for Anode and Cathode Processing

In the rapidly evolving world of energy storage, lithium-ion batteries have emerged as a cornerstone technology. These batteries power everything from mobile devices to electric vehicles, making advancements in their efficiency and performance crucial. A key component in this quest for better performance is the use of battery material grinders, specifically Al₂O₃ balls for anode and cathode processing. performance batteries.

Understanding Battery Material Grinders

Battery material grinders play an essential role in the production of lithium-ion batteries. They are used to achieve the desired particle size of battery materials, such as lithium, silicon compounds, carbon, and aluminum oxide, which are integral to the anode and cathode. The process of grinding these materials is crucial because it directly impacts the efficiency, capacity, and longevity of the batteries.

The Role of Al₂O₃ Balls in Grinding

Al₂O₃ balls, or alumina balls, are a type of ceramic grinding media used extensively in the milling of battery materials. Known for their high wear resistance and durability, these balls are ideal for achieving fine particle sizes necessary for optimal battery performance. The use of Al₂O₃ balls ensures minimal contamination of the battery materials, which is vital for maintaining the integrity and efficiency of the batteries.

Advantages of Using Al₂O₃ Balls

  1. High Wear Resistance: Al₂O₃ balls are renowned for their exceptional wear resistance, which reduces the risk of contamination during the grinding process. This is crucial for maintaining the purity of battery materials and enhancing battery performance.
  2. Durability: These balls are highly durable, making them suitable for prolonged use in the grinding processes required for battery material preparation.
  3. Optimal Particle Size Distribution: Achieving the correct particle size is essential for battery performance. Al₂O₃ balls facilitate the production of uniform particle sizes, which is critical for improving the energy density and lifespan of batteries.
  4. Cost-Effectiveness: Due to their durability and efficiency, Al₂O₃ balls offer a cost-effective solution for battery manufacturers looking to enhance their production processes.

The Process of Grinding Battery Materials

The grinding process for battery materials involves several steps, each crucial for achieving the desired material properties. Here's a brief overview:

  1. Pre-Grinding: Coarse materials are initially processed with larger grinding media to break them down into smaller particles.
  2. Fine Grinding: Using smaller Al₂O₃ balls, the materials are further ground to achieve fine particle sizes necessary for battery applications.
  3. Mixing and Blending: The ground materials are mixed and blended to ensure homogeneity, which is essential for consistent battery performance.
  4. Quality Control: Throughout the grinding process, quality control measures are implemented to ensure the materials meet the required specifications for battery manufacturing.

2000MPa High Al₂O₃ Alumina Oxide Balls For Anode Cathode Processing2000MPa High Al₂O₃ Alumina Oxide Balls For Anode Cathode Processing

Chemical Composition:

Composition

Al2O3

SIO2

CaO+MgO

Fe2O3

Wt%

≥92

7 max

≤2

0.1

Typical Properties:

Specific Gravity

g/cm3

Bulk Density kg/L

Hardness

Moh’s

Water Absorption

%

Self wearing loss %(24hrs)

Compression

Mpa

3.65

2.2

9

0.01

≤0.012

2000

Sizes Φ:

Size(mm)

Size(mm)

Size(mm)

Size(mm)

0.5-1.0

6.0

20.0

70.0

1.0

8.0

25.0

80.0

2.0

10.0

30.0

90.0

3.0

13.0

40.0

100.0

4.0

15.0

50.0

5.0

18.0

60.0

1. Mechanical & Physical Properties

Property Alumina (92%) Alumina (99%) Zirconia Steel Silica Sand
Density (g/cm³) 3.6 3.9 6.0 7.8 2.2
Hardness (Mohs/HV) 9 (~1,500 HV) 9 (~1,800 HV) 8.5 6-7 7
Wear Rate (g/ton) 10–50 5–20 1–5 100+ 300+
Compressive Strength 2,000 MPa 2,500 MPa 2,200 MPa 500 MPa Low

Key Takeaways:

  • 99% Alumina offers 30% lower wear than 92% grade.
  • 2–5x longer lifespan vs. steel in abrasive slurries.
  • Harder than zirconia but less tough (ideal for fine grinding).

2. Chemical & Thermal Resistance

Property Alumina (99%) Performance Impact
Chemical Inertness Resists pH 1–14 Safe for acids/alkalis, pharmaceuticals.
Max Temperature 1,600°C Stable in kilns, calcination.
Thermal Shock Moderate Avoid rapid quenching (>200°C/min).
Contamination Risk None Zero metal ions (critical for Li-ion batteries).

Vs. Competitors:

  • Beats steel in corrosion resistance.
  • Outperforms silica sand in wear & consistency.

3. Grinding Efficiency

  • Particle Size Reduction: Achieves sub-micron fineness (D50 < 1µm) in wet/dry mills.
  • Speed: Higher density (vs. silica) improves kinetic energy transfer.
  • Consistency: Uniform shape/size prevents clogging in bead mills.

Best For:

  • High-purity materials (e.g., ceramics, electronics powders).
  • Slurry processing (paints, dyes).

4. Industry-Specific Performance

Industry Benefit of Alumina Balls
Mining 50% lower replacement cost vs. steel in ore grinding.
Pharma FDA-compliant, no endotoxin release.
Batteries Prevents Fe/Ni contamination in cathode materials.
Paints Maintains color purity (no metal leaching).

5. Cost vs. Lifetime Analysis

Media Type Cost per kg Lifespan (hours) Cost per Ton Ground
Alumina (92%) $5–10 2,000–3,000 $0.50–1.00
Steel $2–4 500–800 $2.00–4.00
Zirconia $50–100 5,000+ $0.20–0.50

Trade-Off:

  • Alumina balances cost and performance – Ideal when zirconia is over-spec.

Performance Summary: Why Choose Alumina?

Cost-Effective: 3x cheaper than zirconia for moderate abrasion.
High-Purity: 99.9% Al₂O₃ for sensitive applications (e.g., pharma).
Versatile: Works in ball/attritor/planetary mills.
Low Maintenance: Non-corrosive, easy to clean.

Limitations:

  • Not for high-impact milling (e.g., hammer mills).
  • Thermal shock risk in rapid cooling applications.

Need Custom Alumina Balls?

We supply:

  • Sizes: 1mm–50mm (±0.01mm tolerance).
  • Grades: 92%, 95%, 99%, ZTA-composite.
  • Certifications: ISO 9001, RoHS, FDA (for pharma).

Package:

25KG/woven bag,1000KG-1250KG for one pallet with shrink wrapped

2000MPa High Al₂O₃ Alumina Oxide Balls For Anode Cathode Processing2000MPa High Al₂O₃ Alumina Oxide Balls For Anode Cathode Processing

Factory equipment

2000MPa High Al₂O₃ Alumina Oxide Balls For Anode Cathode Processing

Exhibition & Partner

2000MPa High Al₂O₃ Alumina Oxide Balls For Anode Cathode Processing

Case

Ship to UAE

2000MPa High Al₂O₃ Alumina Oxide Balls For Anode Cathode Processing2000MPa High Al₂O₃ Alumina Oxide Balls For Anode Cathode Processing

Ship to Netherland

2000MPa High Al₂O₃ Alumina Oxide Balls For Anode Cathode Processing2000MPa High Al₂O₃ Alumina Oxide Balls For Anode Cathode Processing

FAQ

  1. What are alumina ceramic balls made of?

    • They are made from aluminium oxide (Al₂O₃), a high-purity ceramic material known for its hardness and wear resistance.

  2. What are the key properties of alumina ceramic balls?

    • High hardness, excellent wear resistance, chemical stability, high-temperature resistance (up to 1600°C), and electrical insulation.

  3. What are alumina ceramic balls used for?

    • They are used as grinding media, bearing components, valve balls, and in applications requiring wear resistance and chemical inertness.

  4. Why choose alumina balls over steel or other ceramics?

    • They offer superior wear resistance, chemical stability, and are lighter than steel, making them ideal for specific applications.

  5. What sizes are available for alumina ceramic balls?

    • Sizes typically range from 1mm to several inches, depending on the application.


Product Tags:

2000MPa alumina oxide balls

      

Al₂O₃ alumina oxide balls

      

2000MPa high alumina ball

      
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