Description
NVP Sodium Vanadium Phosphate Powder (113 mAh/g High-Rate Cathode)COMMERCIAL GRADE · PRODUCTION
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TAILORED SOLUTIONS FOR RESEARCH
Contact our engineering team for technical support or official institutional quotations.
EMAIL: INQUIRY@ATOMFAIR.COM
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Manufacturer: PRODUCTION DIVISION · ADVANCED ENERGY STORAGE DIVISION
Brand: INDUSTRIAL TESTING HARDWARE
Specifications are representative and subject to change without notice. For the latest version and compliance certificates, contact official sales channel.
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The NVP cathode powder must be stored in a sealed container under dry, inert gas to prevent moisture absorption and maintain electrochemical integrity. Ambient air exposure can compromise the NASICON matrix structure, leading to surface degradation and reduced cycling performance.
- Atmospheric Sensitivity: Keep the container sealed in an argon-filled glovebox or dry room with < 1 ppm water and oxygen levels to minimize moisture and contamination.
- Temperature Stability: Store at temperatures between 15 °C and 25 °C and avoid thermal cycling to preserve the crystalline NASICON structure.
- Containment and PPE: Use conductive, sealed packaging and wear appropriate PPE, including nitrile gloves and safety goggles, during all handling operations.
How does the carbon matrix coating of 3.0±0.5% affect the electrical conductivity and rate performance of this NVP cathode powder?
The 3.0±0.5% carbon matrix coating, verified by carbon-sulfur infrared analysis, provides an electrical conductivity of ≥1.0×10-3 S/cm measured by four-probe meter. This enables high-rate performance with 1.0C discharge specific capacity ≥108.0 mAh/g while maintaining first-cycle coulombic efficiency ≥95.00% at 0.2C, balancing conductivity with capacity retention.
What is the appropriate voltage window for half-cell testing, and how does it relate to the NASICON structure stability of this NVP powder?
The half-cell testing voltage window is 2.5V–4.3V as specified in the core electrochemical design. Within this window, the monoclinic NASICON polyhedral lattice (Na3V2(PO4)3) delivers ≥113.0 mAh/g at 0.1C and ≥110.0 mAh/g at 0.2C, with first-cycle coulombic efficiency ≥95.00%, indicating stable redox cycling without structural degradation.
What storage and handling precautions are required given the moisture content and alkaline pH of this NVP cathode powder?
The powder has a bound moisture content <1000 ppm (Karl Fischer) and a suspension pH of 9.0–11.0 in a 10% suspension test, indicating alkalinity. It must be stored in dry, sealed containers to prevent moisture uptake beyond the low ppm threshold, and handled with appropriate personal protective equipment due to its basic nature, avoiding direct contact with skin or inhalation.
ATOMFAIR NVP cathode powder offers high-rate sodium-ion performance with 113 mAh/g capacity and 1.0×10^-3 S/cm conductivity, but its alkaline slurry and high surface area demand careful electrode processing and dry handling.
Positive
- High specific capacity across C-rates: Delivers ≥113 mAh/g at 0.1C and ≥108 mAh/g at 1.0C, enabling consistent baseline testing and high-rate capability.
- High electronic conductivity NASICON matrix: With ≥1.0×10^-3 S/cm electrical conductivity from carbon coating, this material supports fast charge/discharge kinetics.
Trade-offs
- Alkaline suspension pH: With a pH of 9.0–11.0 in 10% suspension, this powder requires compatible binder systems and slurry processing conditions to avoid degradation.
- High specific surface area: BET surface area of 25±2 m²/g increases binder demand and may promote electrolyte side reactions if not properly formulated.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
