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935948

Sigma-Aldrich

Sodium hexafluorophosphate solution

new
greener alternative

in propylene carbonate, 1.0 M (NaPF6 in PC), battery grade

Synonym(s):

1.0 M NaPF6 in PC

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About This Item

UNSPSC Code:
12352600

grade

battery grade

Quality Level

100

form

solution

greener alternative product characteristics

Design for Energy Efficiency
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concentration

0.95-1.05 M (NaPF6)
1.0 M (NaPF6 in PC)

impurities

≤100 ppm Acid
≤500.0 ppm H2O

anion traces

chloride (Cl-): ≤200 ppm
sulfate (SO42-): ≤200 ppm

application(s)

battery manufacturing

greener alternative category

Enabling

General description

Sodium hexafluorophosphate solution in propylene carbonate (PC) is a 1.0 M solution of battery-grade NaPF6 dissolved in high-purity anhydrous propylene carbonate. The product is a clear solution with strictly minimized impurities including low moisture, low trace metals, low chloride, and low sulfate.
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Application

1.0 M NaPF6 in propylene carbonate (PC), battery grade is a ready to use electrolyte for sodium-ion batteries., It is one of the best performing electrolytes, especially for hard carbon anodes. Propylene carbonate is an excellent solvent with a lower melting point (-49 °C) than other carbonates, making it suitable for low-temperature applications. For use with sodium metal anodes, much improved performance can be achieved by combining this electrolyte with 5 wt% fluoroethylene carbonate (FEC), which stabilizes the surface of the anode.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

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Electrolyte Solvation Structure Design for Sodium Ion Batteries
Tian Z, et al.
Advanced science (Weinheim, Baden-Wurttemberg, Germany) (2022)
Understanding the Electrochemical Compatibility and Reaction Mechanism on Na Metal and Hard Carbon Anodes of PC-Based Electrolytes for Sodium-Ion Batteries
Pan K, et al.
ACS Applied Materials & Interfaces, 10(46), 39651-39660 (2018)
High Stability and Long Cycle Life of Rechargeable Sodium-Ion Battery Using Manganese Oxide Cathode: A Combined Density Functional Theory (DFT) and Experimental Study
Pandit B, et al.
ACS Applied Materials & Interfaces, 11433-11441 (2021)
Development of advanced electrolytes in Na-ion batteries: application of the Red Moon method for molecular structure design of the SEI layer
Bouibes A, et al.
Royal Society of Chemistry, 12, 971-984 (2022)

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