PBAs Prussian Blue Powder

Overview

PB Cathode Active Material (Na₂FeFe(CN)₆), commonly referred to as Prussian Blue or sodium hexacyanoferrate, is a well-established cathode material for sodium-ion battery (SIB) systems. Its open cubic framework enables reversible Na⁺ intercalation and de-intercalation through Fe²⁺/Fe³⁺ redox reactions, providing stable electrochemical behaviour and excellent rate capability.

Unlike layered oxide cathodes, Prussian Blue analogues exhibit low lattice strain during cycling, contributing to improved structural stability and long cycle life—particularly important for large-scale and stationary energy storage applications.

Key Material Features and Specifications

• Chemical formula: Na₂FeFe(CN)₆ (NaHCF)
• Morphology: Nano primary particles with micron-scale secondary spherical aggregates
  
  

Particle size distribution:

• D10: ~4.2 µm
• D50: ~19.9 µm
• D90: ~47.6 µm
• Specific surface area: ~23.8 m²/g
• pH value: ~8.56
• First discharge capacity: ≥120 mAh/g (Na, 0.1C, 2–4.0 V)

This controlled particle morphology balances ionic transport, electrode packing density, and electrolyte accessibility.

Compatibility and Integration

PB cathode powder is compatible with standard sodium-ion battery fabrication processes, including slurry casting on aluminium current collectors. It integrates seamlessly with common electrochemical characterisation platforms, such as potentiostats, battery cyclers, and half-cell or full-cell test assemblies.

Typical Applications

• Sodium-ion battery research and development
• Grid-scale and stationary energy storage studies
• Academic and industrial electrochemistry research
• Cathode optimisation and materials screening

Why Choose ScienceGears

ScienceGears supplies research-grade battery materials curated for reliability, reproducibility, and compatibility with advanced electrochemical instrumentation. Researchers benefit from local technical support across Australia and New Zealand, along with seamless integration into broader battery testing and characterisation workflows.