Battery Grade Manganese Carbonate for LMFP Cathode Materials
Short Product Description
Battery Grade Manganese Carbonate is a high-purity MnCO₃ precursor used in LMFP cathode material synthesis. It provides stable manganese content (≥44% Mn) and controlled impurities for lithium-ion battery applications. Suitable for advanced cathode manufacturing processes requiring consistent phase formation and electrochemical performance.

Technical Specifications
| Parameter | Typical Value |
|---|---|
| MnCO₃ Purity | ≥ 99.0% |
| Manganese (Mn) Content | ≥ 44% |
| Particle Size | D50: 3–8 μm |
| Moisture | ≤ 0.5% |
| Bulk Density | 0.9–1.3 g/cm³ |
| Solubility in Acid | ≥ 98% |
| Iron (Fe) | ≤ 0.01–0.03% |
| Calcium (Ca) | ≤ 0.05% |
| Magnesium (Mg) | ≤ 0.05% |
| Lead (Pb) | ≤ 5 ppm |
| Sodium (Na) | ≤ 0.05% |
| Sulfate (SO₄²⁻) | ≤ 0.1% |
Key Features
- High-purity manganese source for LMFP precursor synthesis
- Controlled Fe, Ca, Mg impurities to minimize lattice contamination
- Low heavy metals (Pb ≤ 5 ppm) for battery-grade compliance
- Consistent particle size for uniform solid-state or co-precipitation processes
- Battery Grade Manganese Carbonate ensures stable Mn²⁺ availability during calcination
Applications
- LMFP cathode material synthesis – provides Mn source for LiMnₓFe₁₋ₓPO₄ structure formation
- Lithium-ion battery materials – supports high-voltage cathode development with improved energy density
- Precursor manufacturing – used in solid-state and hydrothermal synthesis routes
- Advanced battery R&D – suitable for tuning Mn/Fe ratios in cathode formulations
- Battery Grade Manganese Carbonate for LMFP Cathode Materials – ensures consistent electrochemical performance
Problems This Product Solves
- Inconsistent manganese sources → stable Mn content improves cathode phase uniformity
- Excess Fe contamination → low Fe levels prevent unwanted redox interference
- Impurity-induced capacity fade → controlled Ca/Mg reduces lattice distortion
- Heavy metal contamination risks → ultra-low Pb ensures battery safety compliance
- Poor precursor dispersion → fine particle size improves reaction kinetics
Packaging & Supply
- 25 kg kraft paper bags with PE liner
- Palletized export packaging
- Available in 20GP / 40HQ container shipment
- Samples available for cathode material testing
Customization & Technical Support
- Adjustable Mn content and purity levels
- Low-Fe customized grades for high-performance cathodes
- Tailored particle size distribution
- Technical support for LMFP precursor formulation and process optimization
FAQ
What is the role of Battery Grade Manganese Carbonate in LMFP cathodes?
It acts as a manganese precursor for LiMnₓFe₁₋ₓPO₄ synthesis. High-purity MnCO₃ ensures stable crystal structure and consistent electrochemical performance.
Why is low iron (Fe) important in manganese carbonate?
Excess Fe can alter the Mn/Fe ratio in LMFP, affecting voltage and energy density. Controlled Fe improves cathode consistency and cycling stability.
How do Ca and Mg impurities affect battery materials?
Ca and Mg can introduce lattice defects during calcination. This may reduce lithium-ion diffusion efficiency and degrade battery performance.
What are acceptable Pb limits for battery-grade materials?
Pb is strictly controlled (≤5 ppm) to meet battery safety and environmental regulations. Low Pb reduces contamination risks in cathode production.
Is manganese carbonate suitable compared to other Mn precursors?
Yes. Studies show MnCO₃-based precursors provide stable conductivity and lower capacity degradation compared to some alternatives