Overview of EqDP-004 Layered Oxide Cathode
The EqDP-004 is a high-performance layered oxide cathode material designed for sodium-ion batteries, featuring an equimolar Ni-Fe-Mn composition with a P2/O3 biphasic crystal structure. This material offers a good balance of capacity and rate performance, with excellent rate capability achieved through enhanced dual-phase electronic components. It is the ideal cathode choice for sodium-ion battery applications including grid-scale energy storage, low-speed electric vehicles, e-bikes, and portable electronic devices.

EqDP-004
Our comprehensive layered oxide portfolio covers the full spectrum of crystal structures—O3-type, P2-type, P2/O3 biphasic, single-crystal, and high-entropy variants—alongside diversified low-cost and high-performance modified systems based on Cu, Cr, Ti, and Mn chemistries, enabling tailored solutions for every application scenario.
Features of EqDP-004 Layered Oxide Cathode
P2/O3 Biphasic Synergistic Structure
The unique biphasic structure leverages the strengths of both P2-type (excellent rate capability and cycling stability) and O3-type (high capacity) phases, delivering superior rate performance through phase synergy.
Equimolar Ternary Composition
The balanced NaNi₀.₂₅Fe₀.₂₅Mn₀.₅O₂ composition ensures optimal electrochemical performance with good structural stability, cost-effectiveness, and consistent material properties.
Excellent Rate Capability
The biphasic synergy enables superior kinetic performance, maintaining 80% capacity at 1C rate, making this material particularly well-suited for applications requiring moderate to high power delivery.
Balanced Capacity Output
Delivers an initial specific capacity of 148 mAh/g with 80% capacity retention after 100 cycles, offering reliable, consistent performance for a wide range of applications.
Industry-Standard Manufacturing
Produced via mature high-temperature solid-state and sol-gel processes, enabling ton-scale production with excellent batch-to-batch consistency and controlled manufacturing costs.
Comprehensive Crystal Structure Engineering
Our capabilities span O3-type, P2-type, P2/O3 biphasic, single-crystal, and high-entropy designs, enabling precise structural tailoring for diverse application requirements.
Technical Parameters of EqDP-004 Layered Oxide Cathode
Material Specifications
|
Parameter |
Specification |
|---|---|
|
Product Code |
EqDP-004 |
|
Material System |
Equimolar Biphasic P2/O3 System |
|
Chemical Composition |
NaNi₀.₂₅Fe₀.₂₅Mn₀.₅O₂ |
|
Crystal Structure |
P2/O3 Biphasic |
|
Operating Voltage Range |
2.0 – 4.0 V |
|
Initial Specific Capacity |
148 mAh/g |
|
Cycling Stability |
80% retention after 100 cycles |
|
Rate Capability |
80% capacity at 1C |
|
Technical Highlights |
Biphasic synergy, excellent rate capability |
Physical Properties
|
Parameter |
Specification |
|---|---|
|
Appearance |
Black powder |
|
Particle Size D50 |
5 – 20 μm (customizable) |
|
Specific Surface Area (BET) |
1 – 5 m²/g (customizable) |
|
Tap Density |
1.8 – 2.8 g/cm³ (customizable) |
|
Moisture Content |
≤ 500 ppm |
|
Magnetic Foreign Particles |
≤ 100 ppb |
Applications of EqDP-004 Layered Oxide Cathode
Grid-Scale Energy Storage Systems
Ideal for large-scale photovoltaic/wind power storage, grid peak shaving, and frequency regulation applications where long cycle life, high safety, and cost-effectiveness are paramount.
Low-Speed Electric Vehicles
Suited for electric two-wheelers, three-wheelers, and low-speed four-wheel vehicles, delivering high energy density, fast-charging capability, and excellent low-temperature adaptability.
Portable Electronic Devices
Perfect for power banks, outdoor power supplies, and portable medical equipment, offering high voltage platform, high specific capacity, and extended cycle life.
Specialty Applications
Customizable formulations available for extreme environments including low-temperature, high-temperature, and high-safety scenarios such as military, aerospace, and deep-sea applications.

About Us
TRUNNANO is a leading supplier of high-performance battery materials for lithium-ion and sodium-ion batteries. Our portfolio includes nano cathodes, silicon-carbon anodes, hard carbon, and specialty additives. With strict quality control and consistent purity, we deliver reliable solutions for 3C electronics, power tools, and energy storage systems. Committed to innovation, TRUNNANO drives the future of energy storage with cutting-edge materials and dedicated customer support.
Package of EqDP-004 Layered Oxide Cathode
Standard Packaging
Vacuum-sealed moisture-barrier packaging using aluminum-laminated film or PE bags, placed inside sturdy cartons.
Packaging dimensions and weights are customizable based on customer requirements.
Storage & Handling
Store in a dry, cool, well-ventilated environment away from moisture, heat, and contaminants.
Avoid exposure to strong acids, alkalis, and oxidizing agents.
Handle with care during transport to prevent packaging damage.
Recommended shelf life: 12 months from date of manufacture under sealed, proper storage conditions.
After opening, unused material should be immediately resealed and stored in a dry environment.
5 FAQs of EqDP-004 Layered Oxide Cathode
Q1: What are the advantages of the P2/O3 biphasic structure compared to single-phase materials?
The biphasic structure synergistically combines the high capacity of the O3 phase with the excellent rate capability and cycling stability of the P2 phase, delivering superior rate performance and overall electrochemical balance compared to single-phase materials.
Q2: How does the equimolar composition benefit battery performance?
The equimolar Ni:Fe:Mn ratio provides an optimal balance of capacity (from Ni), cost-effectiveness and redox activity (from Fe), and structural stability (from Mn), ensuring consistent and reliable electrochemical performance.
Q3: What is the recommended operating voltage range?
The recommended operating voltage range is 2.0 – 4.0 V vs. Na⁺/Na. Optimal performance and cycling stability are achieved within this window.
Q4: Can this material be used in both sodium-ion and lithium-ion batteries?
This material is specifically designed and optimized for sodium-ion battery systems. It is not recommended for lithium-ion battery applications.
Q5: What customization options are available?
We offer comprehensive customization including elemental composition, crystal structure, particle size distribution, specific surface area, tap density, and performance optimization for specific application requirements. Please contact our technical sales team for detailed discussions.