Product Overview
The HE-DP-007 is a cutting-edge layered oxide cathode material designed for sodium-ion batteries, featuring a high-entropy biphasic system with the innovative five-element composition NaNi₀.₂Fe₀.₂Mn₀.₂Cu₀.₂Ti₀.₂O₂ and a P2/O3 biphasic crystal structure. This material delivers an initial specific capacity of 155 mAh/g and is engineered through the synergistic combination of high-entropy design and biphasic structural engineering, achieving an exceptional balance between high capacity and long-term cycling stability. The high-entropy composition with five equimolar transition metals provides enhanced structural stability and suppressed phase transitions during cycling, making this material a premier cathode choice for high-performance sodium-ion battery applications including energy storage systems, low-speed electric vehicles, e-bikes, and portable electronic devices.
HE-DP-007
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.
Product Features
High-Entropy Composition Design
The unique five-element equimolar composition (Ni, Fe, Mn, Cu, Ti) creates a high-entropy configuration that significantly enhances structural stability, suppresses undesirable phase transitions during cycling, and improves overall electrochemical performance.
P2/O3 Biphasic Synergy
The biphasic structure combines the high capacity characteristics of the O3 phase with the excellent structural stability and rate capability of the P2 phase, delivering a well-balanced performance profile.
Exceptional Capacity with Long Cycle Life
Delivers 155 mAh/g initial specific capacity while maintaining excellent cycling stability, achieving the ideal combination of high energy density and extended service life through high-entropy and biphasic synergistic effects.
Suppressed Phase Transitions
The high-entropy configuration effectively suppresses detrimental phase transitions during sodium-ion intercalation and deintercalation, contributing to superior cycling stability and structural integrity.
Versatile Performance
Maintains 80% capacity at 1C rate, demonstrating excellent rate capability suitable for a wide range of power requirements.
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.
Technical Parameters
Material Specifications
|
Parameter |
Specification |
|---|---|
|
Product Code |
HE-DP-007 |
|
Material System |
High-Entropy Biphasic High-Performance System |
|
Chemical Composition |
NaNi₀.₂Fe₀.₂Mn₀.₂Cu₀.₂Ti₀.₂O₂ |
|
Crystal Structure |
P2/O3 Biphasic |
|
Operating Voltage Range |
2.0 – 4.2 V |
|
Initial Specific Capacity |
155 mAh/g |
|
Cycling Stability |
80% retention after 100 cycles |
|
Rate Capability |
80% capacity at 1C |
|
Technical Highlights |
High-entropy + biphasic synergy, combining high capacity with long cycle life |
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
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 reliable performance 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 (up to 4.2 V), 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
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.
FAQ
Q1: What is the high-entropy design and why is it beneficial?
High-entropy design involves incorporating five or more transition metal elements in near-equimolar ratios within the crystal structure. This configuration increases configurational entropy, which suppresses unwanted phase transitions, enhances structural stability, and improves electrochemical performance. For HE-DP-007, the Ni-Fe-Mn-Cu-Ti combination delivers superior cycling stability and rate capability.
Q2: How does the P2/O3 biphasic structure contribute to performance?
The biphasic structure synergistically combines the high capacity of the O3 phase with the excellent structural stability and rate capability of the P2 phase. This unique design enables HE-DP-007 to achieve both high energy density (155 mAh/g) and long cycle life simultaneously.
Q3: What is the recommended operating voltage range?
The recommended operating voltage range is 2.0 – 4.2 V vs. Na⁺/Na. The extended upper voltage limit of 4.2 V contributes to the high energy density of this material.
Q4: How does HE-DP-007 compare to conventional ternary cathodes?
HE-DP-007 offers superior structural stability and suppressed phase transitions compared to conventional ternary systems, thanks to its high-entropy design. This translates to better long-term cycling performance and more reliable operation, while maintaining competitive capacity output.
Q5: 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.
Q6: What customization options are available for this product?
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.
