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Sigma-Aldrich

Sodium hexafluorophosphate

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greener alternative

99.9% trace metals basis, anhydrous, battery grade

Sinonimo/i:

NaPF6, Sodium hexafluorophosphate(v)

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About This Item

Formula condensata:
NaPF6
Numero CAS:
Peso molecolare:
167.95
Numero MDL:
Codice UNSPSC:
12352104

Grado

battery grade

Livello qualitativo

Saggio

99.9% trace metals basis

Forma fisica

white powder

Caratteristiche più verdi

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

Impurezze

≤100 ppm Cl
≤100 ppm Sulfate
≤1500 ppm trace metals

Punto di fusione

>200 °C (lit.)

Densità

2.369 g/mL at 25 °C (lit.)
2.369 g/mL

applicazioni

battery manufacturing

Categoria alternativa più verde

Stringa SMILE

[Na+].F[P-](F)(F)(F)(F)F

InChI

1S/F6P.Na/c1-7(2,3,4,5)6;/q-1;+1
KMADQUOCJBLXRP-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

Sodium hexafluorophosphate is a white powder and is soluble in water and polar organic solvents, including many of the carbonates and ethers commonly used in liquid battery electrolytes. Our battery grade NaPF6 meets both high level of purity and low moisture to ensure reliable and consistent performance for battery research.
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Applicazioni

Battery grade sodium hexafluorophosphate (NaPF6) is a reliable precursor salt for sodium ion batteries (NIBs). NaPF6 is commonly used as the source of sodium ions in liquid electrolytes due to its excellent properties including high solubility in organic solvents, high anodic electrochemical stability, and ability to form fluoride-rich solid electrolyte interphases (SEI) Often NaPF6 is used in research to design electrolytes that enhance the energy/power density or cycle life of sodium-ion batteries. For example, studies have shown that NaPF6-based electrolytes often offer the best performance, especially in conjunction with additives like FEC Additionally, NaPF6 is widely used because it is compatible with most battery materials including sodium metal, hard carbon, most oxide and phosphate cathode materials, as well as copper and aluminum current collectors. As a result, NaPF6-based electrolytes are the go-to for sodium-ion battery research and development.

Pittogrammi

CorrosionExclamation mark

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

Codice della classe di stoccaggio

8A - Combustible corrosive hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


Certificati d'analisi (COA)

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Comparison of Ionic Transport Properties of Non-Aqueous Lithium and Sodium Hexafluorophosphate Electrolytes
Landesfeind J, et al.
Journal of the Electrochemical Society, 168 (2021)
SEI Composition on Hard Carbon in Na-Ion Batteries After Long Cycling: Influence of Salts (NaPF6, NaTFSI) and Additives (FEC, DMCF)
Fondard J, et al.
Journal of the Electrochemical Society, 167, 070526-070526 (2020)
Impact of the electrolyte salt anion on the solid electrolyte interphase formation in sodium ion batteries
Eshetu G G, et al.
Nano Energy, 55, 327-340 (2019)

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