EMD Powder for Primary Lithium Battery Cathode
Short Product Description
High-purity EMD Powder for Primary Lithium Battery Cathode is electrolytic manganese dioxide with ≥99.5% MnO₂ designed for primary lithium battery cathode manufacture. This EMD grade ensures consistent electrical performance and excellent discharge efficiency for high-load battery applications.
Technical Specifications
| Parameter | Typical Range / Value |
|---|---|
| MnO₂ Content | ≥ 99.5% |
| Loss on Ignition (LOI) | 0.5–1.2% |
| Particle Size (D50) | 3–8 µm |
| Surface Area (BET) | 50–120 m²/g |
| Tap Density | 0.4–0.6 g/cm³ |
| Fe (as Fe₂O₃) | ≤ 0.10% |
| Si (as SiO₂) | ≤ 0.05% |
| pH (1% aqueous) | 6.5–8.0 |
| Residual Chloride (Cl⁻) | ≤ 50 ppm |
| Water Insolubles | ≤ 0.2% |
Key Features
High-purity EMD powder with ≥99.5% MnO₂ optimized for primary lithium battery cathode formulations.
Uniform fine particle size (D50 3–8 µm) for consistent electrode slurry rheology.
Controlled BET surface area (50–120 m²/g) enhancing electrochemical reactivity.
Low impurities (Fe, Si, Cl⁻) to minimize side reactions and prolong cell shelf life.
Stable tap density supporting repeatable coating weight and battery capacity control.
Good pH balance and low water insolubles for improved processing and less electrode defects.
Applications
Primary lithium battery cathode material — suitable for lithium-manganese dioxide (Li-MnO₂) coin, button, and cylindrical cells requiring reliable high discharge performance.
Industrial battery packs — compatible with automated electrode coating and assembly lines.
High-load discharge devices — ideal for medical, military, and industrial single-use power supplies.
Consumer electronics — supports long-shelf-life products such as watches, sensors, and meters.
Packaging & Supply
EMD Powder for Primary Lithium Battery Cathode is supplied in moisture-resistant kraft paper bags with inner polyethylene liners to protect against humidity. Standard packaging options include 25 kg and 50 kg bags, palletized for safe export shipment. Customized packaging (e.g., liners with desiccant, fiber drums) is available upon request to meet handling and storage requirements in different regions.
Customization & Technical Support
We offer adjustable particle size distribution, surface area targets, and impurity limits to meet specific cathode formulation needs. Technical support includes process parameter recommendations, batch analysis reports, and collaboration on slurry formulation optimization. Our engineering team can assist with QA/QC integration and performance testing data for seamless production scaling.
You can check out our full battery grade Manganese Dioxide solutions in here
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