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935972

Sigma-Aldrich

Sodium hexafluorophosphate solution

new
greener alternative

in ethylene carbonate, dimethylcarbonate, and ethylmethylcarbonate, 1.0 M NaPF6 in EC/DMC/EMC=1:1:1 (v/v/v), battery grade

Sinónimos:

1.0 M NaPF6 in EC/DMC/EMC

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About This Item

Número de CAS:
UNSPSC Code:
12352600

grade

battery grade

Quality Level

form

solution

greener alternative product characteristics

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sustainability

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concentration

0.95-1.10 M (NaPF6)

impurities

≤100 ppm Acid
≤100.0 ppm H2O

application(s)

battery manufacturing

greener alternative category

General description

Sodium hexafluorophosphate (NaPF6) solution in ethylene carbonate (EC), dimethylcarbonate (DMC), and ethylmethylcarbonate (EMC) is a clear solution of battery grade sodium hexafluorophosphate dissolved in a a ternary mixture of EC/DMC/EMC (1:1:1) (v/v/v). We offer this with a superior quality suitable for battery research with low water and acid impurities.
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Application

The main application of 1.0 M NaPF6 in EC/DMC/EMC=1:1:1 (v/v/v) is as an electrolyte in sodium-ion batteries (NIBs). The solvent blend has a high dielectric constant, which allows for effective dissolution of the electrolyte salt and results in high ionic conductivity. The fraction of ethylene carbonate (EC) helps to form a stable, conductive solid electrolyte interphase (SEI) with many cathode anode materials. Ethyl methyl carbonate (EMC) and dimethyl carbonate (DMC) have lower viscosities and melting points than EC, and when mixed with EC result in an electrolyte with a good balance between desirable electrochemical properties, high dielectric constant, and low viscosity. This electrolyte has been shown to have good electrochemical performance even at low temperatures, making it suitable for use in cold environments.

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Referencia del producto
Descripción
Precios

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Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B - STOT RE 2 Oral

target_organs

Kidney

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

77.0 °F

flash_point_c

25 °C


Certificados de análisis (COA)

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Comparative study on the ionic conductivities and redox properties of LiPF6 and LiTFSI electrolytes and the characteristics of their rechargeable lithium ion batteries
Septiana, A. R.
IOP Conference Series: Materials Science and Engineering, 432 (2018)
A Study of the Physical Properties of Li-Ion Battery Electrolytes Containing Esters
Logan, E.R.
Journal of the Electrochemical Society, 165 (2018)
Sodium-ion batteries: present and future
Hwang, Jang-Yeon
Chemical Society Reviews, 12 (2017)

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