Synthetic Manganese Dioxide for High-Performance Energy Storage
Short Product Description
Synthetic Manganese Dioxide for High-Performance Energy Storage is a high-purity electrochemical grade MnO₂ formulated for demanding battery and capacitor applications. With >99.5% active MnO₂ content and controlled particle size, it delivers reliable discharge performance and conductivity in alkaline and zinc-manganese systems.

Technical Specifications
| Specification | Typical Value | Unit |
|---|---|---|
| Active MnO₂ (as MnO₂) | 99.50–99.90 | % |
| Loss on Ignition (LOI) | ≤ 0.30 | % |
| Bulk Density | 0.70–0.95 | g/cm³ |
| Tap Density | 1.50–1.80 | g/cm³ |
| Particle Size (D50) | 5–15 | µm |
| Surface Area (BET) | 10–25 | m²/g |
| pH (10% slurry) | 6.5–8.5 | |
| Residual Chloride | ≤ 50 | ppm |
| Iron (Fe) | ≤ 0.02 | % |
| Lead (Pb) | ≤ 0.001 | % |
| Arsenic (As) | ≤ 0.0005 | % |
Other parameters can be adjusted per engineering requirements.
Key Features
High Electrochemical Activity: Engineered for high specific capacity and efficient electron transfer in primary and secondary batteries.
Consistent Quality & Purity: >99.5% active MnO₂ with low impurities ensures minimal side reactions and long shelf life.
Optimized Particle Size: Controlled D50 and narrow distribution improve packing density and uniform electrode coating.
Stable Physical Properties: Tight bulk/tap density control enhances processing and battery assembly consistency.
Low Residual Chlorides: Reduced corrosive species support cell stability and reduce electrolyte degradation.
Good Wettability: High surface area facilitates electrolyte penetration and charge acceptance.
Applications
Alkaline Batteries: Suitable for AA/AAA, C, D cell cathode mixes requiring high discharge performance.
Zinc-Manganese Oxide Cells: Ideal for primary zinc-manganese systems with high energy demand.
Rechargeable Systems: Applicable in select secondary battery formulations where chemical consistency is critical.
Electrochemical Capacitors: Supports high-rate charge/discharge cycles with stable capacitance.
High-Performance Energy Storage Modules: Used in industrial backup and specialty power systems requiring robust MnO₂ performance.
Packaging & Supply
Standard Packaging: 25 kg moisture-resistant kraft bags with inner PE liner.
Bulk Supply: FIBC (1,000 kg) or jumbo bags for large-volume procurement.
Export Ready: Wood-free pallets, stretch-wrapped, labeled per HS and UN chemical specifications for global shipments.
Inventory & Lead Time: Available stock with scheduled production to meet ongoing project demands.
Customization & Technical Support
Particle Engineering: Tailored particle sizes and surface area for specific electrode formulations.
Density Adjustment: Bulk and tap density tuning to match coating and pressing requirements.
Formulation Support: Application guidance for cathode mix ratios and process optimization.
Quality Documentation: Certificates of Analysis (CoA), TDS, MSDS, and custom compliance documentation available.
You can check out our full battery grade Manganese Dioxide solutions in here