Sodium Ion Battery Prussian Blue Cathode Material High Capacity Active Powder

Product Overview

This sodium-ion battery cathode material represents a highly stable Prussian Blue analogue engineered specifically for next-generation sodium-ion energy storage systems. Built upon a sodium-rich hexacyanoferrate crystal framework, the powder features a three-dimensional open lattice structure that facilitates rapid sodium-ion transport with exceptionally low volumetric strain during repeated insertion and extraction cycles. By eliminating reliance on costly cobalt or nickel, this active chemistry provides an economically viable and environmentally sustainable solution for advanced battery R&D.

Designed for integration into academic and industrial battery research workflows, the product serves as a benchmark cathode active material for coin cell assembly, pouch cell fabrication, and scale-up manufacturing trials. Its pristine sodium-rich stoichiometry enables direct pairing with sodium-free or sodium-poor anode materials—such as hard carbon or non-pre-sodiumated alloys—without requiring complex pre-sodiumation auxiliary processing steps. This streamlined compatibility makes it ideal for evaluating realistic full-cell parameters under practical charge-discharge protocols.

Rigorous batch quality control delivers high physical consistency and robust electrochemical performance under demanding testing regimes. Featuring a controlled median particle size of 21 µm, a specific surface area bounded below 25 m²/g, and an initial specific discharge capacity exceeding 100 mAh/g between 2.0V and 3.8V, this active material delivers exceptional rate capability, minimal structural degradation, and high thermal stability across extended cycling evaluations.

Key Features

• Sodium-Rich Stoichiometric Framework: Synthesized with an optimized Na2FeFe(CN)6 formulation that contains abundant mobile sodium ions within the pristine crystal matrix, enabling direct full-cell pairing with hard carbon anodes without requiring secondary pre-sodiumation treatments.
• 3D Open Diffusion Pathways: Incorporates a rigid interstitial crystal architecture with large open ion channels, delivering high sodium-ion diffusion coefficients and minimal lattice volume change during fast charge and discharge cycles.
• Optimized Particle Size Distribution: Engineered with controlled particle morphometry (D10 = 8.9 µm, D50 = 21 µm, D90 = 40.5 µm) that enhances packing density while maintaining consistent inter-particle contact for uniform current distribution.
• Controlled Specific Surface Area: Features a tailored BET surface area (≤ 25 m²/g) that suppresses unwanted side reactions with liquid electrolytes, reducing active sodium consumption and improving initial coulombic efficiency.
• High Initial Discharge Capacity: Delivers a verified specific discharge capacity of ≥ 100 mAh/g under a 0.1C rate across a 2.0V to 3.8V voltage window, providing reliable energy density for high-performance sodium-ion cell prototypes.
• Favorable Processing Rheology: Exhibits an alkaline-neutral pH of 8.19, allowing seamless integration with standard aqueous or non-aqueous binder systems (such as PVDF or SBR/CMC) without causing premature slurry gelation or current collector corrosion.
• Inherent Thermal & Operational Safety: Utilizing stable cyanide-bridged iron redox centers, the material exhibits superior thermal run-away resistance compared to conventional layered oxide cathodes, ensuring safer operation under abuse testing.

Applications

Technical Specifications

Why Choose This Product

• Strict Quality Assurance: Every batch of this cathode powder undergoes rigorous particle size, surface area, and electrochemical performance verification to ensure high reproducibility in laboratory and pilot-scale trials.
• Direct Compatibility with Cell Workflows: Formulated specifically to fit standard slurry mixers, precision doctor-blade coaters, heated calenders, and cell assembly lines without requiring specialized tooling modifications.
• Superior Cost-to-Performance Ratio: Utilizes abundant iron-based chemical components to deliver a cost-effective material path toward commercial-scale sodium-ion battery deployment.
• Comprehensive Technical Support: Backed by a team of battery R&D specialists capable of assisting with slurry formulation, binder selection, press density optimization, and electrochemical diagnostics.

To inquire about pricing, request material safety datasheets, or discuss customized material specifications for your sodium-ion battery project, contact our technical sales team today.

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