940135

Sodium tetrafluoroborate

electrolyte powder, anhydrous, battery grade, 99% trace metals basis

• Synonyme(s) : Sodium borofluoride, Sodium fluoroborate
• Formule linéaire : NaBF₄
• Numéro CAS: 13755-29-8
• Poids moléculaire : 109.79
• Numéro MDL: MFCD00003515
• Code UNSPSC : 12352200
• Numéro de classement CE : 237-340-6

Propriétés

• Qualité: battery grade
• Niveau de qualité: 100
• Essai: 99% trace metals basis
• Forme: powder
• Pf: 384 °C (lit.)
• Solubilité: soluble (carbonates: soluble(lit.); glymes: soluble(lit.))
• Densité: 2.47 g/mL at 25 °C (lit.); 2.47 g/mL at 25 °C
• Application(s): battery manufacturing
• Chaîne SMILES: [Na+].F[B-](F)(F)F
• InChI: 1S/BF4.Na/c2-1(3,4)5;/q-1;+1
• Clé InChI: KGJZTOFHXCFQIV-UHFFFAOYSA-N

Description

Description générale

Our battery grade sodium tetrafluoroborate (NaBF₄) is a high-purity, anhydrous compound, synthesized carefully to minimize trace metals and other impurities. The crystalline NaBF₄ is soluble in carbonates and glymes used in battery electrolytes, like ethylene carbonate and dimethyl carbonate.

Application

Sodium tetrafluoroborate is used in sodium-ion battery research in liquid electrolyte formulations as an electrolytic salt or as an additive. It is intended to optimize the performance and stability of sodium-ion batteries. It has been shown to form stable fluorine-rich solid-electrolyte interphase (SEI) and cathode-electrolyte interphase (CEI), which improves the efficiency of sodium metal deposition and dissolution and leads to high cycling stability even at high voltages.[1]

Informations sur la sécurité

• Pictogrammes: GHS05
• Mention d'avertissement: Danger
• Mentions de danger: H314
• Conseils de prudence: P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• Classification des risques: Eye Dam. 1 - Skin Corr. 1B
• Code de la classe de stockage: 8A - Combustible corrosive hazardous materials
• Classe de danger pour l'eau (WGK): WGK 1