Product Description
Optimized tunnel-structured Na₀.₄₄MnO₂ cathode material featuring exceptional structural stability, superior rate capability, and long-term cycling life, engineered for high-performance, cost-effective sodium-ion battery applications.
Tunnel-020 High-Performance Tunnel-Type Na₀.₄₄MnO₂
Key Specifications
| Parameter |
Specification |
| Material System |
Tunnel-type Manganese-based (Na₀.₄₄MnO₂) |
| Structure |
1D Tunnel Structure |
| Operating Voltage |
2.0 – 4.0 V |
| Cycling Performance |
1000 Cycles @ 80% capacity retention |
| Rate Capability |
Excellent stability at 1C@80% |
| Key Advantages |
Mature commercialization, superior rate performance |
Product Overview
Na₀.₄₄MnO₂ is a cutting-edge cathode material characterized by its unique one-dimensional (1D) tunnel structure. This robust framework allows for efficient Na⁺ ion transport, resulting in outstanding rate capability and structural integrity during repeated charge-discharge cycles.
Our material is engineered for advanced sodium-ion battery systems, offering a reliable, commercially mature solution for energy storage requirements where longevity and high-power density are paramount. Through optimized surface modification (NMO@AO), the material demonstrates significant improvements in capacity retention and high-rate discharge stability compared to pristine NMO.
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.
Frequently Asked Questions (FAQ)
Q1: What are the main advantages of the tunnel-type structure in Na₀.₄₄MnO₂?
A: The 1D tunnel structure provides stable and open pathways for Na⁺ ions, which minimizes structural strain during cycling and enables rapid ion diffusion, leading to superior rate capability and cycle life.
Q2: What is the operating voltage range for this material?
A: The typical operating voltage range for Na₀.₄₄MnO₂ is between 2.0 V and 4.0 V vs. Na/Na⁺.
Q3: How does surface modification (NMO@AO) improve performance?
A: Surface modification helps stabilize the material-electrolyte interface, suppressing side reactions during high-voltage cycling, which significantly improves capacity retention at high current densities (e.g., up to 10C).
Q4: Is this material suitable for commercial battery production?
A: Yes, Na₀.₄₄MnO₂ is recognized for its mature synthesis process and cost-effectiveness, making it a highly promising candidate for large-scale sodium-ion battery commercialization.
