Description
LMFP Lithium Manganese Iron Phosphate Cathode Material (LiFePO₄-based, Compatible with Ternary Lithium-Ion) Product Specification (For Customer)
I. Product Basic Information (LMFP/LiFePO₄ Ternary Lithium-Ion Cathode Material)
| Item |
Details |
| Product Full Name |
Lithium Manganese Iron Phosphate Cathode Material (LMFP, Modified Lithium Iron Phosphate LiMnFePO₄) |
| Product Type |
Power/Energy Storage Type Lithium-Ion Battery Cathode Powder Material |
| Product Form |
Carbon-Coated Secondary Agglomerated Spherical Particles |
| Benchmark System |
Upgraded and iterated material of Lithium Iron Phosphate (LFP), balancing high voltage, high energy density and high cycle stability |
| Applicable Batteries |
Prismatic Power Lithium Batteries, Pouch Power Batteries, Energy Storage Cells, Low-Speed Electric Vehicle Power Batteries |
II. Core Physical Performance Indicators of LMFP (LiFePO₄-based) Cathode Material (Typical Values & Compliance Standards)
1. Particle Size Distribution (Tested by Laser Particle Size Analyzer)
| Parameter |
Control Standard |
Typical Product Value |
Unit |
| D10 |
≤0.6μm |
0.3μm |
μm |
| D50 (Median Particle Size) |
0-3μm |
0.7μm |
μm |
| D90 |
≤20μm |
4.5μm |
μm |
| Dmax (Maximum Particle Size) |
≤50μm |
22μm |
μm |
💡 Feature: Narrow distribution and small particles, excellent rate kinetics, good electrode processing performance and strong compaction compatibility
2. Powder Physical Properties
| Test Item |
Control Technical Standard |
Typical Product Value |
Unit |
Test Method |
| Tapped Density |
0.6~1.2 |
0.78 |
g/cm³ |
Tapped Density Tester |
| 3T Compaction Density |
≥2.2 |
2.30 |
g/cm³ |
Powder Compaction Tester |
| pH Value |
8~11 |
9.7 |
/ |
pH Meter |
| Specific Surface Area (BET) |
15~25 |
19.5 |
m²/g |
Physical Adsorption BET Method |
| Moisture Content |
<1000 |
400 |
ppm |
Karl Fischer Coulometric Method |
| Electrical Conductivity |
≥1.0×10⁻⁵ |
1.5×10⁻⁴ |
S/cm |
Ohm’s Law Method |
| Microstructure |
Secondary Agglomerated Particles |
Secondary Agglomerated Spherical Particles |
/ |
SEM Observation |
III. Chemical Composition Indicators of LMFP (LiFePO₄-based) Cathode Material (Element Content, Tested by ICP-OES)
1. Main Element Composition (Mass Percentage %)
| Element |
Control Range |
Typical Product Content |
| Li (Lithium) |
3.8~5.5% |
4.6% |
| Mn (Manganese) |
19~23% |
20.7% |
| Fe (Iron) |
10~15% |
13.0% |
| P (Phosphorus) |
18~21% |
19.5% |
| C (Carbon Coating Amount) |
1.2~2.4% |
1.8% |
💡 Uniform carbon coating modification effectively improves the electronic conductivity of the material and enhances cycle and rate performance.
2. Impurity Element Control (ppm Level, High Purity and Low Impurity)
All impurities are far below the control upper limit, minimizing the risks of battery cycle swelling, lithium plating and self-discharge.
| Impurity Element |
Control Upper Limit |
Actual Product Value |
Impurity Element |
Control Upper Limit |
Actual Product Value |
| Al |
<200ppm |
85ppm |
Cu |
<200ppm |
5ppm |
| Ca |
<500ppm |
150ppm |
K |
<200ppm |
90ppm |
| Cr |
<200ppm |
20ppm |
Na |
<500ppm |
85ppm |
| Pb |
<200ppm |
5ppm |
Zn |
<200ppm |
10ppm |
| S |
<2000ppm |
350ppm |
Magnetic Substances |
<2ppm |
0.45ppm |
IV. Electrochemical Performance Indicators of LMFP (LiFePO₄-based) Cathode Material (Tested by Coin Half-Cell, Standard Working Condition)
Test Conditions
Voltage Range: 2.7~4.25V; Charging at 1C Constant Current and Constant Voltage, Cut-off at 0.01C; Discharging from 4.25~2.7V
| Electrochemical Item |
Technical Standard Requirement |
Actual Typical Product Value |
Unit |
| 0.1C Initial Cycle Gravimetric Capacity |
≥146 |
147.5 |
mAh/g |
| 0.5C Discharge Gravimetric Capacity |
≥139 |
140 |
mAh/g |
| 1C Discharge Gravimetric Capacity |
≥134 |
135 |
mAh/g |
| 5C High Rate Discharge Capacity |
≥115 |
120 |
mAh/g |
| Initial Cycle Coulombic Efficiency |
≥93% |
94% |
% |
Summary of Electrochemical Advantages
- High Voltage Platform: 4.25V high-voltage system, significantly higher energy density than traditional Lithium Iron Phosphate (LFP, 3.65V).
- High Capacity: 0.1C capacity of 147.5mAh/g, far exceeding that of conventional LFP (within 140mAh/g).
- Excellent Rate Performance: Excellent 5C high-rate discharge retention rate, supporting fast-charging power scenarios.
- High Initial Efficiency & Low Irreversible Capacity: 94% initial cycle efficiency, low cell formation loss.
- Inherits LFP Advantages: High safety, high temperature resistance, long cycle life, low cost, cobalt-free and nickel-free, with stable supply chain.
V. Comprehensive Advantages & Application Scenarios of LMFP (LiFePO₄-based) Ternary Compatible Cathode Material
Core Product Highlights
- Dual optimization of manganese-iron doping modification and carbon coating, solving the pain points of poor conductivity and fast cycle attenuation of pure lithium manganese phosphate.
- Narrow distribution and small particle morphology, strong processing adaptability, excellent electrode coating and rolling performance.
- Extremely low magnetic impurities and heavy metal impurities, resulting in low cell self-discharge, long cycle life and high safety.
- High voltage and high capacity, energy density is significantly better than traditional LFP, and cost is lower than ternary materials.
- Compatible with existing LFP cell production lines, enabling mass production without large-scale equipment modification.
Applicable Fields
- New Energy Vehicle Power Batteries (Passenger Cars, Commercial Vehicles, Low-Speed Electric Vehicles)
- Large-Scale Energy Storage Power Stations, Household Energy Storage Batteries
- Two-Wheeled Electric Vehicles, 3C Digital Products, Start-Stop Power Supplies and other power and energy storage scenarios
VI. Quality Inspection & Compliance Statement of LMFP (LiFePO₄-based) Cathode Material
All test items of this LMFP (LiFePO₄-based) cathode material fully comply with the control technical standards, and various indicators are within the qualified range. Impurity, particle size and electrochemical performance all meet the power battery-level supply standards, and it is compatible with ternary lithium-ion battery application scenarios.