Low Impurity Manganese Dioxide for Power Tool Batteries
Short Product Description
Low Impurity Manganese Dioxide for Power Tool Batteries is a high-purity electrochemical grade MnO₂ with ≥99.8% active material designed for lithium manganese dioxide and alkaline battery cathodes. Engineered for consistent discharge performance and low trace metal contaminants, this grade is optimized for power tool battery applications requiring stable voltage and long cycle life.
Technical Specifications
| Property | Typical Range | Test Method |
|---|---|---|
| MnO₂ Purity (as MnO₂) | 99.5–99.9% | ICP/OES |
| Active Oxygen (O₂) | ≥47.0% | Titration |
| Fe (as Fe) | ≤0.003% | ICP/OES |
| Cu (as Cu) | ≤0.002% | ICP/OES |
| Pb (as Pb) | ≤0.001% | ICP/OES |
| Moisture | ≤0.2% | Karl Fischer |
| Particle Size (D50) | 5–25 μm | Laser Diffraction |
| Residue on 45 μm sieve | ≤0.5% | Sieving |
| Specific Surface Area | 3–8 m²/g | BET |
Key Features
Ultra-low impurity levels for enhanced battery stability and reduced side reactions.
High active oxygen content supporting efficient discharge in power tool batteries.
Consistent particle size distribution for reliable electrode coating and uniform performance.
Low moisture and fines improve slurry rheology and cell assembly yield.
Tight trace metal control (<0.005% total Fe/Cu/Pb) minimizes capacity fade.
Manufactured under controlled process for batch-to-batch reproducibility.
Applications
Power Tool Batteries: Optimized cathode material to deliver high power output and extended run-time.
Primary Lithium Batteries: Suitable for high-drain Li-MnO₂ button and cylindrical cells.
Alkaline Batteries: Enhances discharge plateau and shelf life in heavy-duty cells.
Industrial Cells: Applicable where low impurity and stable performance are critical.
Packaging & Supply
Supplied in moisture-barrier bags inside robust fiber drums or flexible intermediate bulk containers (FIBCs) based on volume requirements. Standard packaging: 25 kg moisture-proof bags, 500–1000 kg FIBCs. All packaging is export-ready with fumigation certificates and compliant with international shipping regulations. Lead times and batch tracking documentation available.
Customization & Technical Support
Particle size distribution, surface area, and impurity targets can be adjusted to meet specific formulation needs. Technical support includes specification tailoring, sample evaluation, and integration guidance for cell manufacturers and R&D teams. Quality control data and compliance certificates accompany each shipment.
You can check out our full battery grade Manganese Dioxide solutions in here