Prussian Blue Analogue Powder

CAS Number 14038-43-8

Advanced Ceramic Materials, Battery Materials, Cathode Active Materials, Inorganic Electronic Materials, Materials, Sodium-Ion Battery Materials

MSDS

Prussian Blue Analogue Powder CAS 14038-43-8

An Analogue of Prussian Blue

Promising candidate for next-generation batteries including sodium-ion and other-ion batteries

Overview | Product Information | Related Products | Technical Support

Prussian blue analog (CAS number 14038-43-8) is a cathode active material derived from iron hexacyanoferrate. Prussian blue analogs are generally described by the formula A_xM'[M''(CN)₆]_1−y where A is an intercalated alkali metal. M' and M'' refer to transition metals, commonly Ni, Mn, Co, Cu and Fe. They contain two different redox activity centers, M'^2+/3+ and M''^2+/3+, enabling a two-electron transfer capacity via reversible alkali ion insertion and extraction. Prussian blue analogs offer a theoretical specific capacity of approximately 170 mAh/g, surpassing the capacities of most transition metal oxides.

Ternary Prussian blue analogs (T-PBAs), incorporating manganese and nickel, can effectively suppress the inherent multiphase transitions observed in conventional PBAs. T-PBAs exhibit minimal lattice distortion during charge-discharge cycling, thereby mitigating structural degradation (capacity retention of 61.2%, 10,000 cycles at 1 A/g).

High Specific Energy Density

Promising cathode material

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General Information

CAS Number	14038-43-8
Chemical Formula	Na₂Mn_0.6Fe_0.2Ni_0.2[Fe(CN)₆]
Full Name	Sodium iron manganese nickel hexacyanidoferrate
Molecular Weight	313.81 g/mol
Synonyms	Ferric ferrocyanide, ferric hexacyanoferrate, Prussian blue, PBAs, Ternary Prussian blue analog, Ternary PBAs
Classification or Family	Sodium batteries, Solid state batteries, Cathode active material

Product Details

Particle Size	4.935 μm (D50)
Tap Density	0.766 g/cm³
Moisture Content	4.29 %
First Discharging Capacity	151.75 mAh/g
First Coulombic Efficiency	99.9%
Appearance	Blue powder

MSDS Documentation

Prussian Blue Analogue Powder MSDS Sheet

References

Degradation mechanisms of Prussian blue analogs and state-of-the-art approaches for stability optimization: a review, J. Sterizinger., J. Phys. Chem. C, 129, 7135–7153 (2025); DOI: 10.1021/acs.jpcc.5c00877.
Prussian blue and its analogs for commercializing fast-charging sodium/potassium-ion batteries, P. Hong et al., ACS Energy Lett., 10, 750–778 (2025); DOI: 10.1021/acsenergylett.4c02915.
Understanding capacity fading from structural degradation in Prussian blue analogs for wide-temperature sodium-ion cylindrical battery, Hang et al., Nat. Commun., 16, 2520 (2025); DOI: 10.1038/s41467-025-57663-3.

Prussian blue analogs for sodium-ion batteries: past, present and future, J. Ping et al., Adv. Mater., 34, 2108384 (2022); DOI: 10.1002/adma.202108384.
Prussian blue cathode materials for sodium-ion batteries and other ion batteries, J. Qian et al., Adv. Energy Mater., 1702619 (2018); DOI: 10.1002/aenm.201702619.
Prussian blue analogs as battery materials, K. Hurlbutt et al., Joule, 2, 1950–1960 (2018); DOI: 10.1016/j.joule.2018.07.017.
Reversible structural evolution of sodium-rich rhombohedral Prussian blue for sodium-ion batteries, W. Wang et al., Nat. Commun., 11, 980 (2020); DOI: 10.1038/s41467-020-14444-4.
Prussian blue analogs for sodium-ion battery cathodes: a review of mechanistic insights, current challenges, and future pathways, Y. Xiao ela., Small, 20, 2401957 (2024); DOI: 10.1002/smll.202401957.

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